孕期怎样合理安排超检查永恒

2021-08-20 淮安装修公司

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为监测胎儿的,降低畸形儿和有缺陷儿的出生率,检查是很必要的。但有不少孕妇对做B超检查的安全性心存恐惧,且对怎样合理B超检查有很多疑问,那么,孕期该做几次B超检查呢?

首先,孕早期(特别孕8周前)是胎儿各器官形成的关键时期,也是容易导致胎儿畸形的重要阶段,通常是不需要B超检查的。除非对下列情况:1.阴道流血及腹痛者,需排除异常妊娠,如宫外孕、葡萄胎、稽留。2.孕前或早孕时有盆腔包块或的病人。需要B超检查协助诊断,为今后的治疗提供依据。⑶停经时间不清,根据症状、体征难正确估计孕周者。一般放在孕10~13周检查较为合适。

孕中、晚期胎儿各器官已经形成,B超检查还是相对比较安全的。从孕20周起就应定期进行B超检查。1.孕20周左右观察胎头、脊柱、心脏、肺、胃肠、双肾、膀胱、外生殖器、四肢,此时,胎儿四肢舒展,是四肢等大的畸形检查的最佳时期。2.孕24~32周重点观察胎儿鼻唇部、心脏。可发现鼻唇部、心脏的畸形情况。3.足月妊娠(孕37~41周)注重、脐带、、胎盘分期、估计胎儿大小,通过脐血流了解胎儿安危。

此外,有下列高危因素的孕妇更有必要在24~28周进行胎儿超声心动检查:1.有先天性心脏病史者;2.母体患糖尿病、结缔组织疾病;3.妊娠期母体接触过特殊药物或受到感染;4.母体酒精中毒;5.高龄孕妇既不正常孕产史;6.胎儿心律失常、胎儿水肿、异常。

谷歌董事长:施密特 一般情况下孕期需做3~4次B超检查就足够了,但如果孕期出现腹痛,阴道流血,频繁,减少等异常及胎位不清,还需根据医生检查情况酌情B超检查。

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