Twin births in the Comoros

Twin births in the Comoros.

OBJECTIVE To determine the prevalence and clinical significance of twin births in the Comoros Islands. DESIGN Combined retrospective and non-randomised prospective study. SETTING Hospital El-Ma'aru Moroni Grand-Comoros and Center Medico-Chirurgical Domoni-Anjouan. SUBJECTS One hundred and nine patients with twin deliveries. RESULTS During the period of study, there were 4370 deliveries,...

Frequency of twin births in developed countries.

Twinning rates in developed countries have recently registered an increase. At the end of the 1970s, the change in mother's age structure has partially contributed to the growth in the proportion of multiple births. In fact, the evolution of twinning rates is related to the calendar of maternity since, comparatively to younger mothers, older women more frequently have twins. Moreover, the growi...

The Birmingham Registry for Twin and Heritability Studies (BiRTHS).

In this article we present the protocol of the Birmingham Registry for Twin Heritability Studies (BiRTHS), which aims to establish a long-term prospective twin registry with twins identified from the antenatal period and subjected to detailed follow-up. We plan to investigate the concordance in anthropometrics and early childhood phenotypes between 66 monozygotic and 154 dizygotic twin pairs in...

Twin and singleton births in Ghana--a case-control study.

A retrospective study involving 623 twin and 1246 singleton births was conducted to compare the two groups with regard to selected maternal, fetal and labor and delivery characteristics and outcomes. Maternal age and parity were significantly higher for twins. The risks of preterm delivery, arrival in the labor ward in second stage of labor, cesarean births and postpartum haemorrhage were signi...

Hormone Profiles in Cattle Selected for Twin Ovulations and Births