Aún no tenemos significados para "first postpartum".
1Postpartum fertility was assessed by interval to first postpartum estrus (day) and pregnancy rate.
2Duration of first postpartum estrous cycles was determined by both visual observations and changes in concentrations of progesterone in serum.
3Pregnancy-associated breast cancer (PABC) is defined as breast cancer diagnosed during pregnancy or in the first postpartum year.
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