现在的年轻人是越来越聪明也越来越马虎了,他们只会提问题而不会记数字。小宝宝会在什么时候来到人间呢?这个时间是根据最后一次月经的日期来推算的,如果小夫妻俩把这个时间忘记了,那么就不可能十分准确地推算预产期。正常的妊娠时间一般持续9个月,通常计算预产期的方法是:月份=最后一次月经 Nowadays, young people are getting smarter and more sloppy, and they only ask questions without remembering numbers. When will the baby arrive in the world? This time is based on the date of the last menstrual date. If the young couple forget the time, it is impossible to predict the expected date of birth very accurately. Normal pregnancy time usually lasts for 9 months. The usual method for calculating the expected date of delivery is: month = the last menstrual period