从“瓜熟自落”谈过期妊娠梁兆松“瓜熟”就能“自落”吗？那也未必。有些瓜果确实熟了，但并不脱落，而最后烂在枝蔓上。过期妊娠就与此相似。怀孕的妇女，一般孕期为２８０天（４０周）左右。每个孕妇的具体受孕日期和每个胎儿的生长成熟时间可稍有差异，故足月妊娠时间... From the “melon cooked fall” about expired pregnancy Liangzhao Song “melon cooked” can “fall” it? That is not necessarily Some fruits are indeed ripe, but do not fall off, and finally rotten on the branches. Expired pregnancy is similar. Pregnant women, the general pregnancy is 280 days (40 weeks) or so. The specific pregnancy of each pregnant woman and each baby’s growth time may be slightly different maturity, so full-term pregnancy time ...