也许人们已经发现,在孕妇 的腹壁皮肤上往往 可见长 5～6厘米、宽约 0.5厘米的不规则纵 裂纹 ,呈紫色 或淡红 色,产 后逐 渐变 为银 白色 ,而 且持久不退。这一现象在医学上称为妊娠纹。有妊娠 纹就一定说明女子曾怀孕过吗?要知道答案首先应从皮肤的组织结构谈起 Perhaps people have found that in the abdominal skin of pregnant women can often be seen 5 to 6 cm long, 0.5 cm wide irregular longitudinal cracks, purple or pink, postpartum gradually turned silver white, and durable. This phenomenon is medically called stretch marks. A stretch mark on the woman must have been pregnant before it? To know the answer should first be from the organizational structure of the skin