What Age Does Fertility Go Down In Women?

fertility and age
Age and Fertility In Women

As a woman grows older the chances of her conceiving a baby start to decline - although fertility also declines in men, it falls much faster in women (male fertility doesn't usually decline until after 50). Assuming a woman ovulates normally, and has sexual intercourse at the optimal time, and there are no medical problems such as endometriosis or PCOS, statistics show that:

Aged 15: She has a 40 to 50 percent chance of falling pregnant every menstrual cycle*.
Aged 25: She has a 30 to 35 percent chance.
Aged 35: She has a 15 to 20 percent chance.
Aged 45: She has a 3 to 5 percent chance.
* The average menstrual cycle is 28 days.

Bottom Line
The bottom line: Aged 35 you are half as fertile as you were at 25, and at 40 you are half as fertile as you were at 35. That said, most women, assuming no medical conditions, should have no great difficulties falling pregnant up to the age of 35. After this, fertility declines rapidly. In reality a woman aged 32 who has regular unprotected sex may have to wait just 2 or 3 months longer to get pregnant than her friend aged 25. When to talk to a specialist: If you are aged between 30 and 35 and have not conceived naturally within 12 months, it is worth talking to a fertility specialist about fertility tests. If you 35 or over, you should do so within 6 months to avoid wasting any precious biological clock time.

Fertility Tips
In order to become pregnant you need to make love to your partner regularly - less than twice a week and you may not be doing it enough to fall pregnant (be sure to know your most fertile days). If you feel pain during intercourse, this can be one of the symptoms of endometriosis. If you've been using a lubricant, this may be blocking the sperm's movement through the cervix. Also, if you or your partner has had previous sexual partners, it is worth being tested for STDs as some STDs can affect fertility (read about the causes of infertility). Your doctor or STD clinic will perform a simple swab and blood test.

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• Need more information about falling pregnant? See: Pregnancy after 35
• Got another question? See: Womens Health Questions

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