活产婴儿

目的探讨住院分娩活产婴儿中唐氏综合征的发生率，以及产前筛查对降低唐氏综合征发生率的作用。

Objective To investigate the incidence of Down 's syndrome in live birth infants delivered in the hospital , and the effect of prenatal screening in reducing the incidence of Down 's syndrome .

4.97%的活产婴儿为第3孩及以上。

4.97 % of live birth was the delivery of the 3rd child or after .

对全部活产婴儿出生后立即肌注维生素K1，可明显减少新生儿消化道出血的发生率。

The vitamin K 1 should be injected in newborns . That can decrease the ocurrence rate of gastrointestinal hemorrhage in neonate .

方法采集7省活产婴儿脐血547份，用ELISA法测定PIVKAⅡ浓度。

Methods In 7 provinces , 547 samples of cord blood from live births were collected to measure plasma protein induced by Vitamin K Absence ( PIVKA - ⅱ) concentrations with ELISA method .

事实上，活产婴儿保护法案并没有限制部分生产法堕胎。

In fact , the Born-Alive Infants Protection Act does not restrict partial-birth abortion .

收集16个样本1990年至2003年住院分娩婴儿记录资料，计算活产婴儿的出生性别比。

The sex ratio at birth from 16 samples during year 1990 ~ 2003 in Henan hospitals were calculated .

据国外统计，活产婴儿中发病率近1／250-1／300，我国发病率约为2-3／1000。

According to overseas statistics , its incidence is 1 / 250-1 / 300 in liveborn infant and 2-3 / 1000 in China .

活产婴儿中，一孩所占比例为53.68%，二孩及多孩比例分别为41.35%和4.97%。

Of live birth , the proportions of women with one child and two children were 53.68 % and 41.35 % , respectively .

53例经治疗患者活产婴儿48例，妊娠成功率为90.57%。

In 53 cases treated with aspirin , 5 embryo loss occured , and the rate of live birth was 90.57 % ( 48 / 53 ) .

方法对1992～2000年出生的590833名北京市活产婴儿以及同期死亡的5856名婴儿和10499名死胎死产儿的监测资料以动态数列的方法进行分析，研究分阶段干预措施的效果。

Methods Dynamic series analysis was used to analyze the monitoring data of 590 833 cases of live birth , 5 835 cases of infant death , and 10 499 cases of stillbirth in Beijing during 1992 ~ 2000 . The interventional measures in different phases were analyzed too .