Main results
63 prospective studies including data from 6,397,310 women were
included. Based on the MOMENT score of 4 or more, 37 studies (59%) were
of high quality. In total, 43 different primary outcomes and 79
different primary outcome measures were identified; 12 different
secondary outcomes and 31 secondary outcome measures were identified.
The primary outcome measurements and definitions of outcomes were
inconsistent.