How Long Does It Take to Get Pregnant?

How long conception usually takes, how age affects fertility, ways to improve your chances, and when to see a doctor.

Many couples expect to get pregnant straight away, but it often takes a few months. It is normal not to conceive in the first cycle or two.

How long does it usually take?

According to the NHS, about 84 out of 100 couples who have regular unprotected sex (every 2 or 3 days) will get pregnant within a year. Of those who do not, about half will conceive in the second year.

How age affects fertility

Fertility gradually declines with age, especially from the mid-30s, because the number and quality of eggs falls. Male fertility also declines with age, but more slowly.

Ways to improve your chances

  • Have sex every 2 to 3 days throughout your cycle.
  • Take 400 micrograms of folic acid a day.
  • Stop smoking, and limit alcohol: both partners’ habits matter.
  • Aim for a healthy weight: being underweight or overweight can affect ovulation.
  • Get to know your fertile window.

When to see a doctor

ACOG advises seeing a doctor if you have been trying for:

  • 12 months if you are under 35
  • 6 months if you are 35 or older

See a doctor sooner if you are over 40, have irregular or absent periods, known conditions such as endometriosis or PCOS, a history of pelvic infection, or if your partner has known fertility problems.

Find your most fertile days with our Ovulation Calculator.

Based on medical guidance

Based on the sources listed at the end of this article. See our editorial policy.

This article is for information only and is not a substitute for advice from your doctor or midwife.