孕期的性生活是否要避孕节能

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友提问

丁教授，我现在16周，听医生讲这个时候是可以过的，但是我不知道是不是需要，老是心存顾虑。如果需要，请医生给推荐避孕的方法，谢谢！

丁辉回答

首先，您应解除顾虑，怀孕后有性生活不会再次怀孕。另外，您应该了解一些医学知识。大部分医学研究显示，妇女在妊娠内性欲及性活动呈现起伏的变化。孕早期性活动减少，孕中期增加，孕晚期（未三个月）减少。一般认为孕早或晚期应减少或不，因为性活动时可使子宫痉挛，有时达1分钟之久，影响胎儿心跳，特别是以往有、史的孕妇，容易使胎膜早破或使阴道内病原体上行致子宫内感染。孕中期性交不会引起胎儿的不适。此时性交可改用侧身，面对面或男面向女背而后入。重量增加了的子宫，在性交时受到阴茎的冲力，可能引起腹部不适，两人如能坦诚沟通，丈夫减少进入2012年后猪肉价格开始震荡下降阴茎的冲撞力及深入阴道的程度，便可解决问题。

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