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生育年龄的妇女受孕、怀孕到胎儿娩出大约需要40周,共计280天。在这段相对漫长的时间内,有一些重要并具有标志性的日子,一定要记住。1.末次月经。指受孕前的最后一次月经。一定要清楚记住此次月经第一天的日期,这个日子是基础,对整个孕期至关重要。2.早孕的确诊日期。对于一个?
Women of childbearing age conceive, pregnancy to fetal delivery takes about 40 weeks, a total of 280 days. In this relatively long period of time, there are some important and iconic days, we must remember. Last menstruation Refers to the last menstruation before conception. Be sure to remember the date of the first day of menstruation clearly, this day is the basis for the entire pregnancy is crucial. 2. The date of diagnosis of early pregnancy. For one?