"Ovulation day" refers to the specific day in a woman's menstrual cycle when an egg is released from her ovary. It is the most fertile period for getting pregnant. Full definition
But 2 - 3 days to ovulation as well as ovulation day often works for most women who are keen about their ovulation cycle. (ovulationkits.org)
You can easily know your best ovulation days by using this kit as well as determine early pregnancy using its pregnancy test strips. (ovulationkits.org)
It can then detect the shift of estrogen dominance to progesterone dominance and produce a predicted ovulation day. (ovacue.com)