大量产科统计、调查资料表明,孕期及分娩时发生的种种异常(流产、早产、难产等),很大一部分是孕妇自己忽视自我保健造成的。从某种意义上说,是她们自己犯的“错误”。归纳一下常见的有以下20种: A large number of obstetric statistics, survey data show that during pregnancy and childbirth occurred during the various abnormalities (abortion, premature birth, dystocia, etc.), a large part of pregnant women themselves ignore the self-care caused. In a sense, it is their own “mistake”. Summarize the following common 20 kinds: