The Role of Gene Expression in Stress Urinary Incontinence: An Integrative Review of Evidence.

Stress urinary incontinence (SUI) is defined as unintentional urine leakage occurring as a consequence of increased intraabdominal pressure due to absent or weak musculus detrusor contractility. It affects postmenopausal women more often than premenopausal and is associated with quality of life (QoL) deterioration. The complex SUI etiology is generally perceived as multifactorial; however, the overall impact of environmental and genetic influences is deficiently understood. In this research report, we have disclosed the upregulation of 15 genes and the downregulation of 2 genes in the genetic etiology of SUI according to the accessible scientific literature. The analytical methods used for the analysis of gene expression in the studies investigated were immunohistochemistry, immunofluorescence staining, PCR, and Western blot. In order to facilitate the interpretation of the results, we have used GeneMania, a potent software which describes genetic expression, co-expression, co-localization, and protein domain similarity. The importance of this review on the genetic pathophysiology of SUI lies in determining susceptibility for targeted genetic therapy, detecting clinical biomarkers, and other possible therapeutic advances. The prevention of SUI with the timely recognition of genetic factors may be important for avoiding invasive operative urogynecological methods.

Efficacy Comparison between Kegel Exercises and Extracorporeal Magnetic Innervation in Treatment of Female Stress Urinary Incontinence: A Randomized Clinical Trial.

Background and Objectives: To estimate the effectiveness of Kegel exercises versus extracorporeal magnetic innervation (EMI) in the treatment of stress urinary incontinence (SUI). Materials and Methods: A parallel group, randomized clinical trial was conducted in the Department of Obstetrics and Gynecology, Clinical Hospital Centre Zagreb, Croatia. After assessing the inclusion/exclusion criteria, each eligible participant was randomized to one of the two observed groups by flipping a coin: the first group underwent treatment with Kegel exercises for 8 weeks, while the second group underwent EMI during the same time interval. The primary outcome was the effectiveness of treatment as measured by the ICIQ-UI-SF overall score, eight weeks after the commencement of treatment. Results: During the study period, 117 consecutive patients with SUI symptoms were assessed for eligibility. A total of 94 women constituted the study population, randomized into two groups: Group Kegel (N = 48) and Group EMI (N = 46). After 8 weeks of follow-up, intravaginal pressure values in the EMI group were 30.45 cmH2O vs. the Kegel group, whose values were 23.50 cmH2O (p = 0.001). After 3 months of follow-up, the difference was still observed between the groups (p = 0.001). After the end of treatment and 3 months of follow-up, the values of the ICIQ-UI SF and ICIQ-LUTSqol questionnaires in the EMI group were lower than in the Kegel group (p < 0.001). Treatment satisfaction was overall better in the EMI group than in the Kegel group (p < 0.001). Conclusions: Patients treated with EMI had a lower number of incontinence episodes, a better quality of life, and higher overall satisfaction with treatment than patients who performed Kegel exercises.

Overactive Bladder or Anxiety: Which Came First?

OBJECTIVE: Although available diagnostic criteria are intelligible, combination of OAB and anxiety in the same patient presents a perfect example of medical causality dilemma, commonly stated as the question: "which came first: the chicken or the egg?". The aim of this review article is to address available insights in bidirectional association between OAB and anxiety. METHODS: In this review article, we included different types of studies whose results are presented as relative risk (RR) or odds ratio (OR) with a 95% accuracy. A literature search was conducted with the use of the PubMed and EMBASE electronic databases focusing on identifying articles published in English between 1990 and 2020. RESULTS: The electronic searches, after duplicate records removal, provided a total of 126 citations. Of these, 107 were excluded after title/abstract screening (not relevant to the review). We examined the full text of 19 publications remaining to summarize possible mechanisms between OAB and anxiety. According to examined literature, our result synthesis provides insight in epidemiology, pathophysiology, diagnostic and therapeutic approach of both conditions. CONCLUSION: Temporal relationship between OAB and anxiety is not very well documented because available longitudinal cohort studies are limited. The limitation of the published literature is that most were population-based symptom studies demonstrating high risk of bias. Although data from analysed studies suggest that anxiety and OAB and anxiety might be casually related, studies provided on clinical population are warranted. In addition to the traditional urologic factors, we recommend that psychosocial factors such as anxiety should be assessed routinely in patients with OAB.

Validation of the Croatian Version of the 8-Item Overactive Bladder Questionnaire (OAB-V8).

OBJECTIVES: The present study was conducted with the aim to translate, adapt, and validate the 8-item Overactive Bladder Questionnaire (OAB-V8) in Croatia. METHODS: This study included a total of 58 female patients with OAB and 66 healthy women. The translation to Croatian followed standardized procedure. All eligible participants completed OAB-V8 at inclusion and 2 weeks after to assess test-retest reliability. Cronbach α coefficient was calculated to assess internal consistency. RESULTS: Our study demonstrated high internal consistency for all items at both visits (Cronbach α between 0.799 and 0.847), with stable internal consistency reliability across items during the 2-week period. However, the exception is the item "waking up at night to urinate," which significantly changed during the 2-week period. Intraclass correlation for OAB-V8 items ranged from 0.810 to 1.0, with Spearman correlations greater than 0.9 for all items (P < 0.01). There were strong significant correlations between frequency of urination during daytime and uncomfortable and sudden urge to urinate, and between nocturia and waking up at night. Discriminative validity showed statistically significant score differences between patients and the control group. CONCLUSIONS: The Croatian version of the OAB-V8 was successfully translated, adapted, and validated so the questionnaire is now ready for use as a reliable tool for initial screening and assessing patients with OAB in everyday Croatian clinical practice.

Comparison of efficacy of extracorporeal magnetic innervation and Kegel exercises for stress urinary incontinence in adult women: study protocol for a randomized controlled trial.

Stress urinary incontinence (SUI) is defined as a complaint of inadvertent loss of urine occurring as a result of an increase in intraabdominal pressure. Strong evidence supports the use of pelvic floor muscle training (PFMT) as the first-line conservative treatment for SUI. Extracorporeal magnetic stimulation (EMS) is a non-invasive, effective, acceptable, and safe therapeutic modality for SUI. Although PFMT and EMS share most of their influences on the pathophysiology of SUI, it is unclear whether one of these routinely used treatment modalities is superior to another in terms of improvement of clinical outcomes or cost-effectiveness. To the best of our knowledge, no randomized controlled trials have so far directly compared PFMT with EMS. Our aim here is to describe a protocol for such a study. This will be a parallel-group, single-blind, randomised controlled trial compliant with the SPIRIT, CONSORT, and TIDieR reporting guidelines. Participants will be women aged 18 to 65 years who have previously given at least one vaginal delivery (at least 12 months before joining the study) who present with symptoms of SUI lasting at least 6 months yet have not previously received treatment for it. In the first study arm, patients will receive an eight-week, high-intensity, home-based Kegel exercises regimen. In the second study arm, the treatment scheme will consist of 2 sessions of EMS per week for a total of eight weeks. The primary outcome will be effectiveness of treatment as measured by the International Consultation on Incontinence Questionnaire Urinary Incontinence-Short Form overall score, eight weeks, three months, and six months after commencement of treatment.

A 27-year-old patient with congenital bladder exstrophy and recurrent pelvic organ prolapse: a case report.

Bladder exstrophy (BE) is a rare congenital malformation estimated to occur in up to 1/250,000 female live births. The evidence supporting the incidence, uterine preservation and its overall fertility rate in patients with pelvic organ prolapse (POP) and BE is not precisely determined. We report a case of BE and POP in a 27-year-old nulliparous Caucasian. Due to the patient's strong fertility desire, considering her extensive surgical history background, our approach was to correct POP via the Manchester-Fothergill procedure. After 36 months, the patient was still asymptomatic with no evidence for prolapse recurrence. This case demonstrates diagnostic challenges and surgical dilemmas in treatment strategy for patients with BE and co-existent POP. Furthermore, routine long-term surveillance is necessary in terms of renal function, urinary continence, malignancy and possible obstetric issues.

Regulation of Survivin Isoform Expression by GLI Proteins in Ovarian Cancer.

Ovarian cancer (OC) is the most lethal female gynecological malignancy, mostly due to diagnosis in late stages when treatment options are limited. Hedgehog-GLI (HH-GLI) signaling is a major developmental pathway involved in organogenesis and stem cell maintenance, and is activated in OC. One of its targets is survivin (BIRC5), an inhibitor of apoptosis protein (IAP) that plays a role in multiple processes, including proliferation and cell survival. We wanted to investigate the role of different GLI proteins in the regulation of survivin isoform expression (WT, 2α, 2B, 3B, and Δex3) in the SKOV-3 OC cell line. We demonstrated that survivin isoforms are downregulated in GLI1 and GLI2 knock-out cell lines, but not in the GLI3 knock-out. Treatment of GLI1 knock-out cells with GANT-61 shows an additional inhibitory effect on several isoforms. Additionally, we examined the expression of survivin isoforms in OC samples and the potential role of BIRC5 polymorphisms in isoform expression. Clinical samples showed the same pattern of survivin isoform expression as in the cell line, and several BIRC5 polymorphisms showed the correlation with isoform expression. Our results showed that survivin isoforms are regulated both by different GLI proteins and BIRC5 polymorphisms in OC.

Non-canonical Hedgehog signaling activation in ovarian borderline tumors and ovarian carcinomas.

Hedgehog signaling pathway has been implicated in the pathology of ovarian cancer, and Survivin (BIRC5) has been suggested as a novel target of this pathway. Herein we investigated the role of Hedgehog signaling pathway and Survivin in ovarian carcinoma and borderline tumor samples. We aimed to determine possible ways of pathway modulation on primary ovarian cancer cells and an established cell line. RNA was extracted from fresh tumors and control tissues and gene expression was examined using qRT-PCR. Pathway activity in cell lines was examined after treatment with cyclopamine, SHH protein, GANT-61 or lithium chloride using qRT-PCR, western blot and confocal microscopy. The difference between control tissue, borderline tumors and carcinomas can be seen in GLI1 and SUFU gene expression, which is significantly higher in borderline tumors compared to carcinomas. SUFU also shows lower expression levels in higher FIGO stages relative to lower stages. BIRC5 is expressed in all tumors and in healthy ovarian tissues compared to our control tissue, healthy fallopian tube samples. Primary cells developed from ovarian carcinoma tissue respond to cyclopamine treatment with a short-term decrease in cell proliferation, downregulation of Hedgehog pathway genes, including BIRC5, and changes in protein dynamics. Stimulation with SHH protein results in increased cell migration, while GLI1 transfection or PTCH1 silencing demonstrate pathway upregulation. The pathway activity can be modulated by LiCl at the GSK3ß-SUFU-GLI level, suggesting at least partial non-canonical activation. Downregulation of the pathway with GANT-61 has proved to be more effective than cyclopamine. GLI inhibitors may be a superior treatment option in ovarian cancer compared to SMO inhibitors.

PTCH1 gene polymorphisms in ovarian tumors: potential protective role of c.3944T allele.

In this study we investigated the types and role of different genetic changes of PTCH1 gene in three different types of ovarian tumors: carcinomas, fibromas and dermoids. LOH of the PTCH1 region was detected in 27.3% ovarian carcinoma samples, 18.18% ovarian fibroma samples and 55.56% ovarian dermoid samples. No point mutations were detected in any of the three types of ovarian tumors. SNP c.3944C>T showed significant differences between ovarian carcinoma and control samples with the minor T allele being significantly higher in controls compared to ovarian carcinomas. Interestingly, a new polymorphism c.-1184G>A was found only in tumor samples and further analyses should be performed in order to elucidate its potential role in ovarian tumors.

A low-grade ovarian carcinoma case with coincident LOH of PTCH1 and BRCA1, and a mutation in BRCA1.

We report a case of a 53-year-old woman with Grade 1 serous cystadenocarcinoma on her left ovary and metastatic serous adenocarcinoma on her right ovary. Serous carcinoma is the most common type of ovarian cancer, representing approximately half of all cases. Because of positive family history, the patient was referred for BRCA1/2 screening. Germline BRCA1 mutation c.676delT (p.C226VfsX8) was found, and in tumor tissue the normal allele was lost. Tumor tissue also had loss of heterozygosity in the PTCH1 gene, one of the major members of the Hedgehog-Gli (Hh-Gli) pathway. Gene expression analysis showed upregulation of the Hh-Gli pathway in both ovaries compared with healthy ovarian tissue. Primary cell culture was developed from the patient's tissue and showed downregulation of gene expression in response to cyclopamine, a Hh-Gli pathway inhibitor. The Hh-Gli signaling pathway may play a role in malignant transformation and metastasis of ovarian cancer.

Outcome and efficacy of a transobturator polypropylene mesh kit in the treatment of anterior pelvic organ prolapse.

OBJECTIVE: To report the efficacy and complications of anterior pelvic organ prolapse (POP) repair with mesh placed through the transobturator route (Perigee system; AMS, Minnetonka, MN, USA). METHODS: In total, 198 women with anterior POP grade II or higher according to the POP Quantification (POP-Q) system were treated with the Perigee procedure. The primary outcome was defined as anterior POP grade I or lower at 12 months' follow-up. The secondary outcomes included the incidences of perioperative, mesh-related, short-term, and long-term postoperative complications. RESULTS: The cure rate was 92.9% overall and 90.6% among women who had previously undergone a hysterectomy or a traditional anterior colporrhaphy. The mean POP-Q Aa and Ba values were significantly improved after the procedure (Aa 2.2 cm [0.0 to 3.0 cm] versus -2.1cm [-3.0 to -1.2 cm]; Ba -2.5 cm [-1.0 to 4.2 cm] versus -2.2 cm [-5.5 to -1.0 cm]; P<0.001). Vaginal or bladder erosions were observed in 3 patients. Other short- and long-term complications were infrequent and not statistically significant. CONCLUSION: The Perigee procedure is effective in the treatment of anterior POP and does not have serious complications even among women with previous hysterectomy or traditional anterior colporrhaphy.

Operative complications and results of the "SPARC" procedure for stress urinary incontinence.

The aim of this study was to determine the efficacy and operative complications of the suprapubic arc (SPARC) procedure in stress incontinent women with and without previous anti-incontinence surgery. One-hundred and twenty-one patients with stress urinary incontinence (SUI) were treated with SPARC for correction of urethral hypermobility (N = 65) and intrinsic sphincter deficiency (N = 56) between August 2002 and February 2007. The long-term surgical results, operative complications (bladder injury, retropubic hematoma, de novo urgency and urinary infection) and patients' satisfaction were assessed. The overall complication rate was 9.9% (12/121). The perioperative complication rate was 1.7% including 2 urinary bladder injuries. Significant difference in the overall complications rate was detected between women with and without previous surgery (23/45, 51.1% vs. 6/108, 5.5%, chi2 = 49.89, P < 0.001). The overall postoperative complication rate was 8.3% (10/121) including 4 de novo urgencies, 4 urinary infections and 2 retropubic hematomas. There were 3 patients with postoperative urinary retention managed conservatively, without voiding difficulties on control visits. The objective cure rate after the follow-up was 86.8% (105/121). In patients with SUI and without preceding vaginal operations SPARC is a good method with low incidence of perioperative complications, promising long-term results and high patient satisfaction.

Minimally invasive therapy of cervical intraepithelial neoplasia for fertility preservation.

The aim of this study was to determine the extension of cervical intraepithelial neoplasia grade III (CIN III) into endocervical canal and depth of endocervical crypts involvement by CIN with the regard to patients' age and parity. Correlation between the area of CIN involvement and the extension into endocervical canal was estimated. A total of 218 cervical cone specimens with histologically proven CIN III were included in this study. Extension of CIN into the endocervical canal, depth of involved crypts and ectocervical area affected by CIN were histologically analyzed. The average endocervical crypt involvement was at 1.2 mm of depth. The excision of >4 mm (1.2 mm x 3S.D.) in depth removes >99% of CIN. With the cone length of 15 mm (nulliparous patients) and 18 mm (multiparous patients), no endocervical cone margins were affected with CIN. Since the cone length is the most important determining factor for fertility preservation, the measurement of cervical cone could be essential for future pregnancies.

Maternal plasma interleukin-6, interleukin-1beta and C-reactive protein as indicators of tocolysis failure and neonatal outcome after preterm delivery.

OBJECTIVE: To investigate whether maternal serum interleukin-6 (IL-6), interleukin-1beta (IL-1beta) and high sensitive C-reactive protein (CRP) could be used as markers of tocolysis failure and adverse neonatal outcome in pregnancies with preterm labor (PL). METHODS: Forty-seven maternal blood samples taken because of PL at admission and delivery were analyzed. Control samples were taken from 20 gravidas with normal pregnancies. Differences in interleukins and CRP levels with or without chorioamnionitis, connatal infection or periventricular leukomalacia (PVL) were analyzed. Cut-off values were estimated for prediction of tocolysis failure and adverse neonatal outcome. RESULTS: All three parameters were significantly higher in patients delivering prematurely than in patients delivering at term. All three parameters were significantly higher with than without histologic chorioamnionitis (p < 0.001), with than without connatal infection (p < 0.01), with than without PVL (p < 0.01 for IL-6 and IL-1beta, p < 0.05 for CRP), and in pregnancies with preterm premature rupture of membranes (PPROM) delivered within 48 hours compared to those more prolonged (p < 0.01). Choosing 50.9 pg/mL of IL-6 and a CRP of 19.7 as cut-offs in maternal blood admission concentrations for neonatal PVL, resulted in sensitivity of 81% and specificity of 91% and sensitivity of 91% and specificity of 81%, respectively. At respective maternal blood admission cut-off levels of 27.8 pg/mL of IL-6 and 8.9 of CRP, both parameters were effective predictors of connatal infection. CONCLUSIONS: Maternal blood IL-6 and CRP could become useful in predicting tocolysis failure and intrauterine treat for the fetus.

Long-term neurodevelopmental outcome of triplets.

OBJECTIVE: To analyze the incidence of neurodevelopmental disabilities in triplets and to find out possible connection between the outcome and perinatal events. DESIGN: Retrospective cohort study of 94 triplets and their outcome at 24-144 months of age correlated with gestational age, birth weight, pregnancy complications, early neonatal period, neonatal cranial ultrasound, period of birth (1985-1995, 1996-2000) and type of antenatal care. RESULTS: Sixty-two triplets are healthy, 15 suffer cerebral palsy (CP) and 17 minimal cerebral dysfunction (MCD). Adverse outcome correlates significantly with prematurity, low birth weight and maternal age. In multivariate analysis, both cerebral palsy and minor disabilities correlate significantly with early neonatal complications, neonatal cranial ultrasound with later CP (p<0.01), and MCD with preterm rupture of membranes (p=0.047). Children conceived spontaneously do worse than those born after assisted reproduction (p=0.004), those born in the time period 1996-2000 do better than those born before (p=0.021). Seventy-seven percent (77%) of newborns delivered in the time period 1996-2000 and after level 1 antenatal care was introduced, compared with 54% being delivered in the time period before 1996 and with less meticulous types of antenatal care, remain healthy (p=0.015). CONCLUSION: Triplets are still at high risk for long-term neurodevelopmental complications. Stringent perinatal care might appear important determinant of their long-term outcome.

Second trimester total human chorionic gonadotropin, alpha-fetoprotein and unconjugated estriol in predicting pregnancy complications other than fetal aneuploidy.

OBJECTIVE: To assess the value of alpha-fetoprotein (AFP), total human chorionic gonadotropin (ThCG) and unconjugated estriol in predicting certain complications of pregnancy other than fetal aneuploidy. STUDY DESIGN: Among 2384 women that underwent biochemical screening between 15 and 22 weeks of gestation, pregnancy outcome was evaluated in 677 women under 35 years of age according to serum marker levels by using cut-off points discriminative for Down syndrome or neural tube defect (NTD). RESULTS: High alpha-fetoprotein levels (MoM>/=2.0) were found to be significantly more frequent (P<0.05) in cases of fetal growth restriction (odds ratio=2.7), miscarriage (odds ratio=4.4) and intrauterine fetal death (odds ratio=5.8). High chorionic gonadotropin levels (MoM>/=2.02) were associated with intrauterine growth restriction (odds ratio=2.1; P<0.05), miscarriage (odds ratio=4; P<0.01), preterm birth (odds ratio=2.5; P<0.05), and intrauterine fetal death (odds ratio=4.2; P<0.01). Among pregnancies with intrauterine growth restriction and threatening preterm delivery, low unconjugated estriol levels (MoM

[Screening for Down syndrome using triple marker testing in the second trimester of pregnancy]. / Probir Downova sindroma trostrukim testom u drugom tromjesecju trudnoce.

The aim of this study was to check the validity of the biochemical screening of pregnancies with Down's syndrome during the second trimester of pregnancy, in order to reduce the incidence of invasive diagnostic procedures. We used the optimal balance between sensitivity and specificity to determine the "cut off" values to estimate the results of the biochemical screening. Between January 1995 and December 2000, 2000 pregnancies were checked by double (determining hCG and AFP serum levels) and triple test, (determining hCG, AFP and uE3 serum levels). Competitive radioimmunochemical procedures (2nd trimester Amerlax-M, Ortho Clinical Diagnostics, USA) were used. The risk of Down's syndrome was calculated by Prenata program (Ortho Clinical Diagnostics, USA). The "cut off" median MoM values in pregnancies with Down's syndrome were 0.73 (AFP); 2.02 (hCG) and 0.74 (nE3). The calculated risk was compared with possibility 1:300 to estimate the results of biochemical screening. Our results were checked in the cytogenetic laboratory where samples of amniotic fluid, that we also took, were sent. We observed lower AFP levels (0.96 +/- 0.09 MoM), uE3 levels (0.65 +/- 0.1 MoM) and higher levels of hCG (1.57 +/- 0.27 MoM) in pregnancies with Down's syndrome, in comparison with euploid pregnancies of the corresponding gestational age. With 1:200 risk, the sensitivity of triple test is 80%, with acceptable number of false-positive results. This cut-off value showed to be acceptable for separating positive from negative results. Invasive procedures should be performed in pregnancies with positive screening result, with the aim of getting the tissue sample of the fetus for further cytogenetic analysis.

Perinatal care improves the outcome of triplets.

OBJECTIVE: To compare pregnancy complications and neonatal outcome of 85 triplet gestations cared for during the 15 years in a single perinatal unit. METHODS: Pregnancies were divided in two groups according to the differences in the management plan and their outcomes were compared. Group I (N = 44) consisted of pregnancies cared from 1986 to 1995, using standard model of care: preventive hospitalization from the early second trimester or home bed rest with routine hospitalization after 28-32 weeks of pregnancy, routine clinical and ultrasound examinations, biophysical profile and non-stress tests starting at 28 weeks, expert neonatal care without free access to surfactant or to parenteral nutrition. Group II (N = 41) consisted of pregnancies cared for from 1986 to 2000 using modified care: preventive hospitalization from early second trimester or home bed rest with routine hospitalization after 32 weeks of pregnancy, biophysical profile, non-stress tests and pulsed doppler analysis of fetal umbilical artery, fetal aorta and middle cerebral artery blood flow from as early as 26 weeks, and neonatal care improved by free access to surfactant and parenteral nutrition. RESULTS: The mean gestational age, mean birth weight, the proportion of growth-retarded infants, the incidence of various maternal complications and immediate neonatal conditions as judged by APGAR scores did not differ between the groups. The incidence of deliveries up to 28 weeks was lower in the group II in comparison to group I, but the proportion of term and near term deliveries was lower. The incidence of cesarean sections was high (91.8%), but significantly increased cesarean delivery rate because of fetal distress was observed in the group II (P = 0.014). Infants in the group II had less frequently uneventful early neonatal period, mainly due to significantly increased conatal infection (P = 0.007) and neonatal encephalopathy rate (P = 0.001). However, perinatal mortality was decreased from 235% in the group I to 142% in the group II for newborns that reached 24 weeks of gestation or more. The decrease of perinatal mortality was observed also in the newborns born after 28 weeks of gestation (123% in the group I and 99% in the group II). None of the children weighing <1000 g died in utero in the group II. Early neonatal death of infants weighing >1500 g was significantly reduced in the group II (P = 0.048). CONCLUSION: Advances in neonatal care, but also the delivery of infants in better overall condition must be the explanation for improved outcome of triplet gestations managed by modified care. A higher cesarean section rate because of imminent fetal jeopardy as judged by not only fetal heart rate tracings, but also umbilical, aortic and middle cerebral artery flow analysis, could be the explanation for lowered perinatal mortality and significantly improved outcome in very preterm infants from triplet gestations.

[Endocrine, paracrine and electrophysiologic regulation of human labor]. / Endokrina, parakrina i elektrofizioloska regulacija radanja u ljudi.

The problem of labor and delivery, either at term or occurring prematurely, are among the greatest problems facing physicians nowadays. The understanding of the process of preparation and initiation of active labor is of utmost importance. Currently, the clinical methods to assess the changes of the uterus and cervix are still subjective, inaccurate and crude. Fortunately, a noninvasive method of transabdominal uterine muscle electrical activity analysis (electromiography, EMG) is digitalized and standardized in recognizing uterine contractility, and biochemical changes, as well as ultrasound and fluorescent methods, are emerging to estimate cervical preparation prior to active labor. Studies in humans indicate that uterine and cervical function an be accurately monitored during pregnancy and during the preparation for labor. In the review article all aspects of uterine muscle and uterine cervix architecture, preparation for labor and control of these processes are presented. The development of new methods of diagnosis for the patient in labor will improve our ability to diagnose preterm labor early enough to undertake all kinds of scientifically based methods and strategies specifically for the management of this condition.