Background: The physiological age of vectors is an indicator often used in the evaluation of the efficacy of malaria vector means. The purpose is to study the ovarian development stage for the determination of the physiological age of mosquitoes. Methods: Mosquitoes were collected using human landing catch at night in the district of Itassoumba and Abomey-takplikpo, south-eastern Benin. Females...

OBJECTIVE To use contemporary labor data to examine the labor patterns in a large, modern obstetric population in the United States. METHODS Data were from the Consortium on Safe Labor, a multicenter retrospective study that abstracted detailed labor and delivery information from electronic medical records in 19 hospitals across the United States. A total of 62,415 parturients were selected w...

BACKGROUND Induction of labor for postdate pregnancy using misoprostol is one of the most common interventions in pregnancy. However, the optimal dose of misoprostol is yet to be determined with previous reports utilizing different dosages. OBJECTIVE The main objective of this study was to compare the effectiveness and safety of 25 μg versus 50 μg of intravaginal misoprostol for induction of ...

Parity is one of well-known risk factors of endometrial cancer, but it is less clear whether parity is associated with the timing of developing endometrial cancer, and with the incidence of subtype of endometrial cancer. Data on 902 patients including age at diagnosis, age at menarche and menopause, parity and age at last birth from two obstetrics and gynaecology hospitals in China was analysed...

OBJECTIVE The relationship between parity and risk of diabetes is controversial, and little information is available regarding associations between parity and measures of insulin resistance and beta-cell function. The objective of this study was to investigate the association between parity and risk of glucose intolerance and related metabolic disorders using data from a population-based study ...

OBJECTIVE To quantify the impact of labor induction and maternal age on cesarean delivery rates in nulliparous and multiparous women between 36 and 42 weeks' gestation. METHODS We performed a retrospective cohort study on 14,409 women delivering at two teaching hospitals in metropolitan Boston during 1998 and 1999. Women who had contraindications to labor, including a prior cesarean delivery,...

OBJECTIVES Many factors are suspected to influence the intrauterine device (IUD) insertion process. This study sought to examine the effects of a few key variables on IUD insertion tolerability, complications and follow-up issues. METHODS A retrospective chart review was undertaken of all IUD insertions over an 11-month period at an urban Canadian women's clinic. Linear regression analysis of...