1. the time in the menstrual cycle when fertilization is most likely to be possible (7 days before to 7 days after ovulation); [syn: fertile period, fertile phase]
WordNet (r) 3.0 (2006):
fertile period
n 1: the time in the menstrual cycle when fertilization is most
likely to be possible (7 days before to 7 days after
ovulation) [syn: fertile period, fertile phase]