Is 35 too old to conceive?

It is true that fertility declines with age, but many women conceive naturally aged over 35 or 40.

Smiling 35 year old pregnant woman

Fertility starts to decrease significantly after the mid-thirties, but it doesn't disappear completely.

  • At 35, 95% of women will get pregnant after three years of having regular unprotected sex.
  • At 38, 75% will get pregnant after three years of having regular unprotected sex.

Try to make sure that you and your partner lead a healthy lifestyle and talk to your doctor if you have not conceived after six months.

If you have any other health concerns related to fertility, such as endometriosis, polycystic ovary syndrome (PCOS) or thyroid problems see your doctor earlier.

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  1. Human Fertilisation and Embryology Authority, Infertility – common causes of female and male infertility, London HFEA, 2013. Also available at: (accessed 12 May 2014)
  2. National Institute for Health and Care Excellence, Fertility: assessment and treatment for people with fertility problems, clinical guideline 156, London NICE, 2013
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Last reviewed on June 13th, 2017. Next review date June 13th, 2020.

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