流產後再懷孕

流產後再懷孕的婦女
在流產後6~12個月懷孕的
再次發生流產的機率，高過6個月內懷孕的
而大於24個月才再次懷孕的這組情況最糟

Effect of interpregnancy interval on outcomes of pregnancy after miscarriage: retrospective analysis of hospital episode statistics in Scotland
BMJ 2010;341:c3967

(不過這是因還是果呢？)