习惯性早产

【医】 habitual premature labor

习惯的英语翻译：

be used to; custom; habit; practice; usage; use and wont
【医】 assuetude; habit; habituation; mores

早产的英语翻译：

slink
【医】 immature labor; omotocia; partus immaturus; partus prematurus
precocious birth; premature birth; premature delivery; premature labor