Medical Questions » Infertility Questions » Question No. 537
| Question: | I am trying to get pregnant, but so far haven' t had any luck. Can you tell me just when is a woman fertile during the month? |
| Answer: | The day a woman starts bleeding with her period is day one. A woman ovulates 14 days before her next period. If she has a 28 day cycle, she will ovulate on day 14, but if the cycle is 35 days, she will ovulate on day 21, and with a 24 day cycle, ovulation is on day 10.
If the cycle is regular, it is easy to work out the day of ovulation, but if the cycle is irregular, it can be much harder.
Other clues to ovulation are are rise in the basic temperature and a change in the vaginal mucus.
A woman is fertile from two days before ovulation (the sperm can survive this long in her body after sex) to 4 days after ovulation. "With a regular 28 day cycle, she is fertile from days 12 to 18. If you wish to avoid pregnancy, sex should be avoided for an additional two days either side of this fertile time.
If pregnancy is desirable, sex on the day of ovulation and for the two days afterwards is best.
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