الفهرس 
Epidemiology and Biology of Multiple PregnancyOnly 14 pages are availabe for public view
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Abstract
Twin pregnancy is considered as a risk factor of preterm labor,
which is responsible for the high rate of perinatal mortality and morbidity
associated with this condition. The objective of this study was to evaluate
the role of vaginal Progesterone in the prevention of SPB in twin
pregnancy. One hundred women pregnant in twins were enrolled for this
study. They were divided in 2 groups. Group (1) 50 pregnant women
received vaginal progesterone 200mg daily for 10 wks (from the 24th to
the 34th week of gestation). Group (2) 50 pregnant women received
placebo for the same duration. Transvaginal ultrasound measurement of
the cervical length was done at 18-24 weeks gestation.
This study showed that the prophylactic vaginal progesterone
administration has no significant value in the prevention of SPB in twin
pregnancy.