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1.
N C Med J ; 81(1): 14-22, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-31908326

RESUMO

BACKGROUND The Zika virus (ZIKV) epidemic that began in 2015 presented a risk for ZIKV infection among persons who traveled to ZIKV-affected countries. Latinas in North Carolina and their sexual partners may be exposed to ZIKV when traveling to these regions.METHODS We administered a cross-sectional survey, measuring ZIKV risk and knowledge, to a convenience sample of 262 reproductive-age Latinas attending a Federally Qualified Health Center in rural North Carolina. We described ZIKV risk and knowledge in the sample, and compared responses between those who were pregnant or recently pregnant, and those who were not pregnant. We further identified factors associated with 1) awareness of ZIKV and 2) high knowledge of ZIKV sequelae and prevention among those who were aware of ZIKV, using log-binomial regression.RESULTS Two-thirds of participants had ever heard of ZIKV, which was positively associated with educational attainment. Most participants aware of ZIKV had moderate/high knowledge of ZIKV transmission (92.5%) and symptoms (73.2%), but knowledge of preventing sexual and congenital transmission was limited. Travel was infrequent among pregnant or recently pregnant participants (5.4%) and their partners (7.1%). Despite low risk for ZIKV infection, participants were willing to practice ZIKV prevention.LIMITATIONS Our study is limited by a lack of generalizability to Latinas in other regions of the country, self-reporting bias, and lack of survey validation as an indicator of English language proficiency.CONCLUSIONS Providers should identify patients likely to become pregnant and travel to high-risk areas, inquire about partner travel history, and offer culturally appropriate ZIKV risk counseling.


Assuntos
Conhecimentos, Atitudes e Prática em Saúde/etnologia , Hispano-Americanos/psicologia , Doença Relacionada a Viagens , Infecção por Zika virus/etnologia , Estudos Transversais , Feminino , Hispano-Americanos/estatística & dados numéricos , Humanos , North Carolina , Gravidez , Fatores de Risco , Serviços de Saúde Rural
2.
Eur J Obstet Gynecol Reprod Biol ; 213: 58-63, 2017 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-28437630

RESUMO

OBJECTIVE: To describe pregnancy outcomes of frozen-thawed blastocysts cycles using modified natural cycle frozen embryo transfers (NC-FET) and down-regulated hormonally controlled frozen embryo transfers (HC-FET) protocols. STUDY DESIGN: This retrospective cohort study included all patients undergoing either modified NC-FET or down-regulated HC-FET using frozen-thawed day 5 embryos. Cycles with donor blastocysts were excluded. Four hundred twenty eight patients underwent a total of 493 FET cycles. Patients with regular menses and evidence of ovulation underwent modified NC-FET. These patients were given hCG 10,000 IU IM on the day of LH-surge. Vaginal progesterone (P4) was started two days later and blastocyst transfer was planned seven days after detecting the LH surge. Anovulatory patients and some ovulatory patients underwent down-regulated HC-FET. These patients were placed on medroxy-progesterone acetate (10mg) for 10days to bring on menses and were also given a half-dose of GnRH-agonist (GnRH-a) on the third day of medroxy-progesterone acetate. Exogenous estradiol was initiated on the third day of menses. Once serum E2 levels reached >500pg/mL and endometrial lining reached >8mm, intramuscular (IM) P4 in oil was administered. Blastocyst FET was planned 6days after initiating P4. The primary outcomes included clinical pregnancy and delivery rates. RESULTS: There were 197 patients in the modified NC-FET protocol and 181 in the down-regulated HC-FET protocol. Mean age (years), day-3 FSH levels (mIU/mL) and percentage of patients with male factor infertility were significantly higher and mean BMI (kg/m2) was significantly lower in modified NC-FET compared to HC-FET, respectively. Analysis of the first cycle pregnancy outcomes revealed no significant differences in clinical pregnancy rate (54.3% vs. 52.5%) and delivery rate (47.2% vs. 43.6%) between modified NC-FET and HC-FET. Logistic regression analysis showed age (OR=0.939, 95% CI 0.894-0.989, p=0.011), number of blastocysts transferred (OR=1.414, 95% CI 1.046-1.909, p=0.024), and the year of FET (OR=1.127, 95% CI 1.029-1.234, p=0.010) were significant factors impacting clinical pregnancy. An age analysis within three age groups (≤35, 36-39, ≥40) was performed, but no significant difference in clinical pregnancy was observed. CONCLUSION: Our data suggests that modified NC-FET protocol has comparable pregnancy outcomes to down-regulated HC-FET when utilizing frozen-thawed day 5 embryos.


Assuntos
Blastocisto/fisiologia , Criopreservação , Transferência Embrionária/métodos , Resultado da Gravidez , Administração Intravaginal , Adulto , Gonadotropina Coriônica/administração & dosagem , Estudos de Coortes , Criopreservação/métodos , Estradiol/administração & dosagem , Estradiol/sangue , Feminino , Temperatura Alta , Humanos , Hormônio Luteinizante/sangue , Ovulação , Gravidez , Progesterona/administração & dosagem , Estudos Retrospectivos
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