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怀孕俗称“有喜”。有些孕妇在妊娠期发生阴道流血,这常常威胁着母婴的健康和生命,是一个不容忽视的问题。医学上把整个妊娠的40周(280天)分为三个时期:妊娠12周以前为早期妊娠。从12周到27周未为中期妊娠,28周后为晚期妊娠。早期妊娠出血比较常见,有以下几种情况:1.早期流产:内分泌功能失调、黄体功能不全、甲状腺功能低下、子宫本身病变、母体疾病、创伤、染色体异常等因素,都会导致胚胎发育不良,引起底蜕膜出血,使胎盘与子宫壁分离,并刺激子宫,引起子宫收缩,促使宫颈扩张,使血液自宫口流出。流血时伴下腹部疼
Commonly known as pregnancy, “hi”. Some pregnant women have vaginal bleeding during pregnancy, which often threatens the health and life of mothers and infants. This is a problem that can not be ignored. Medically 40 weeks (280 days) of the entire pregnancy are divided into three periods: early gestational age of 12 weeks prior to pregnancy. From 12 weeks to 27 weeks is not a medium-term pregnancy, 28 weeks after the late pregnancy. Early pregnancy bleeding is more common, the following situations: 1. Early abortion: endocrine disorders, corpus luteum dysfunction, hypothyroidism, uterine lesions, maternal diseases, trauma, chromosomal abnormalities and other factors, can lead to embryonic dysplasia, causing Decidua bleeding at the end of the separation of the placenta and uterine wall, and stimulate the uterus, causing uterine contraction, prompting the cervical dilatation, the blood flow from the cervix. Bleeding with abdominal pain