[Cesarean delivery rate and indications in mainland China: a cross sectional study in 2011].

Objective: To estimate cesarean delivery rates and indications by region in mainland China.

Methods: A cross sectional survey of all deliveries in 39 hospitals in 14 provinces of mainland China from January 1 to December 31, 2011 was evaluated for mode of delivery, cesarean delivery rates and indications for delivery.

Results: (1) A survey of a total of 112 138 women at delivery with gestations greater than 24 weeks was analyzed.

The 2011 survey on hypertensive disorders of pregnancy (HDP) in China: prevalence, risk factors, complications, pregnancy and perinatal outcomes.

Hypertensive disorders of pregnancy (HDP) are a group of medical complications in pregnancy and also a risk factor for severe pregnancy outcomes, but it lacks a large-scale epidemiological investigation in recent years. This survey represents a multicenter cross-sectional retrospective study to estimate the prevalence and analyze the risk factors for HDP among the pregnant women who had referred for delivery between January 1st 2011 and December 31st 2011 in China Mainland. A total of 112,386 pregnant women were investigated from 38 secondary and tertiary specialized or general hospitals randomly selected across the country, of which 5,869 had HDP, accounting for 5.