A person is most likely to get pregnant in the middle of their menstrual cycle. This phase is called the fertile window. The chances of becoming pregnant are much lower before and after the fertile window, but it is still possible, and there are several factors to consider.
In this article, we look at the chances of becoming pregnant during the period and at other times of the menstrual cycle. A person can get pregnant during their period, but it is unlikely. A person is most likely to become pregnant in the middle of their menstrual cycle, which is when the ovary releases an egg in a process called ovulation. The menstrual cycle is the time between the first day of one period and the first day of the next period.
The egg can only survive for 12—24 hours after ovulation. For this reason, it must meet a sperm cell in this time for pregnancy to occur. A person is most likely to get pregnant if they have sexual intercourse in the 3 days before and up to the day of ovulation. Since a person with day cycles typically does not ovulate until around a week after they stop bleeding, they cannot usually get pregnant during their period.
People with shorter menstrual cycles may ovulate closer to their period than people with longer cycles. The wide variation in menstrual cycle length and the timing of ovulation makes it difficult to tell when a person is in their fertile period. Some researchers suggest that having sexual intercourse on the day before ovulation will carry the same chances of getting pregnant as having sexual intercourse multiple random times throughout the menstrual cycle.
Ovulation happens before the bleeding from a girl's period has stopped. Ovulation happens within a few days after a girl's period is over. Sperm can fertilize an egg for 3 days. So if a girl has sex on the last day of her period and ovulates in the next few days, the sperm may still fertilize the egg. A new study finds that epidurals do not affect child development in their later years. A fetal arrhythmia is an irregular heart rate — too fast, too slow, or otherwise outside the norm.
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Medically reviewed by Fernando Mariz, MD. But there are times in your menstrual cycle when you're at your most fertile, and this is when you're most likely to conceive. Your menstrual cycle begins on the first day of your period and continues up to the first day of your next period.
You're 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 you're most likely to get pregnant.
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