Because eggs and sperm only live for a short time: Sperm live for around five days. Eggs can only be fertilised for around 24 hours (one day) after being released from the ovary.
Why is fertility high before ovulation?
This is because sperm can live for around 5 days inside a womans body, so if youve had sex in the days before ovulation, the sperm can wait for the egg to be released. These days before and just after the egg is released is often called the fertile window.
When are the most fertile days?
Youre most fertile at the time of ovulation (when an egg is released from your ovaries), which usually occurs 12 to 14 days before your next period starts. This is the time of the month when youre most likely to get pregnant.
How many days before ovulation did you conceive?
Pregnancy is technically only possible if you have sex during the five days before ovulation or on the day of ovulation. But the most fertile days are the three days leading up to and including ovulation. Having sex during this time gives you the best chance of getting pregnant.
Can guys tell when a girl is ovulating?
A man can smell when a woman is ovulating - and the proof is in his testosterone, says a new study from Florida State University that had undergraduate men sniffing sweaty T-shirts for course credit.