To avoid maternal deaths, it is also vital to prevent unwanted and too-early pregnancies.
为了避免孕产妇死亡，还必须防止意外怀孕和过早怀孕。
In many early pregnancies, the hCG level will double every 31 to 72 hours. As the pregnancy progresses, hCG levels rise and the doubling time increases.
许多的早孕，和HCG水平每31 - 72小时会翻倍，随着怀孕的进程，HCG水平的上升以及翻倍的时间也会增加。
METHODS 102 women, who had early pregnancies after cesarean section, were compared with 78 women with early pregnancy after natural delivery and 129 women having no birth.
方法选择剖宫产后早期妊娠102例，并将同期自然流产后早孕78例和无分娩史早孕妇女129例作为对照。
In pregnant women with untreated early syphilis, 25% of pregnancies result in stillbirth and 14% in neonatal death.
患有早期梅毒但未经治疗的孕妇，有25%的妊娠结局为死胎，14%为新生儿死亡。
Honey bees are already being used as early detectors of lung and skin cancers, diabetes and TB, as well as to monitor fertility cycles and confirm pregnancies.
蜜蜂已经被用于肺癌和皮肤癌、糖尿病和肺结核的早期检测，还被用于监测生育周期，诊断怀孕。
The study recorded 59 165 pregnancies, 173 maternal deaths, 1661 stillbirths and 1418 early neonatal deaths in its service area over the study period.
研究期间，记录了59165个产妇，173名产妇死亡，1661个死产婴儿和1418个早产儿在护理区死亡。
Conclusion: To find placental abruption early and treat correctly can decrease danger of pregnancies and infants.
结论早期发现胎盘早剥及正确处理可降低孕婴危险性。
The risk of premature delivery in multiple pregnancies is high, and babies may be born too early to survive.
多胎妊娠早产风险高，胎儿可能出生过早而夭折。
The risk of premature delivery in multiple pregnancies is high, and babies may be born too early to survive.
多胎妊娠早产风险高，胎儿可能出生过早而夭折。
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