pregnant couple

Discover how your sex life might change when you’re pregnant. Read about sex during each stage of pregnancy, changing libidos, natural induction and more.

You hear all sorts of things about sex in pregnancy so it’s hard to know what to believe. Will sex suddenly seem even more appealing or will it be the last thing on your mind? The truth is, you might experience changes in your sex drive and sex life as your pregnancy progresses. Here’s what you might expect in each trimester…

Sex in the first trimester

Studies have shown a 20% decrease in pregnant women having sex because of their sex drive decreasing (Ganem, 1992). Several things might cause this drop in your sex life, including:

  • nausea
  • tiredness
  • fear of miscarriage or of harming the unborn baby
  • lack of interest
  • discomfort
  • physical awkwardness
  • fear of infection
  • fear of membrane rupture.

(Polomeno, 2000; Orji et al, 2002)

It's no wonder pregnancy affects your sex life - there's a lot going on after all.

On the other hand, some women find they have a higher sex drive than before they were pregnant. So there’s really no knowing what you’ll experience.

Is sex during pregnancy bad for the baby?

Some couples might imagine that sex during this time increases the risk of miscarriage. But try not to worry, it is safe to have sex during pregnancy unless your doctor or midwife have advised you not to (NHS, 2018).

Doctors and midwives will only advise you to avoid sex during this time if you had complications with previous pregnancies or experience cramping or bleeding with this one (Polomeno, 2000).

Sex in the second trimester

Women’s sexual desire and habits vary in the second trimester too (von Sydow, 1999). During this stage, couples might find that they rekindle their sex life. Women often find that their libido increases because they've accepted their pregnant body (Polomeno, 2000).

One study suggested that couples felt more secure and intimate in their love during pregnancy. They might isolate themselves to concentrate on their relationship. The same study also reported that one fifth of couples experience a 'five-month crisis'. They suggested that this can happen as some women may turn inwards, which can make their partners feel isolated and that this can cause difficulties in their relationship (Ganem, 1992;  Polomeno, 2000).

On the plus side, the same study said one fifth of women discovered orgasm for the first time during their pregnancies. Many couples use women’s increased sex drive to experiment sexually, for example with sexual positions, games, fantasies and other mutual pleasures (Ganem, 1992).

Some couples don’t feel comfortable with the idea of having sex during pregnancy and will decide not to. They might abstain from intercourse itself but still use other ways and means of feeling sexually satisfied in their relationship (Polomeno, 2000).

Sex in the third trimester

Women’s sexual interest and even men’s interest decreases sharply at the end of the third trimester. Similarly, sexual activity declines sharply in the third trimester.

Here’s the proportion of couples having sex in each month of the third trimester, according to studies:

  • In the seventh month, most couples have sex.
  • In the eighth month, about half to three quarters of couples have sex.
  • In the ninth month, only around one third of couples have sex.

(von Sydow, 1999)

Overall, couples are less likely to use 'on top' positions during pregnancy and more likely to use side-by-side or rear entry positions.

In the third trimester, a lot of women are worried about orgasms making their uteruses contract. They can also worry about positional difficulties, feeling unattractive or the sexual satisfaction of their partner (von Sydow, 1999). Many women find sex more difficult during this time due to the discomfort of various sexual positions, pelvic congestion and their baby’s engagement in the pelvis (Polomeno, 2000).

Potential risks and when to avoid sex in pregnancy

Potential risks of sex can include infection as a result of pelvic inflammatory disease and bleeding before giving birth if you have placenta praevia (low-lying placenta) (Jones et al, 2011).

Your doctor or midwife will advise you to avoid sex if you’ve had any bleeding in this pregnancy. If you have any of the conditions mentioned below, you might be advised to avoid sex:

  • broken waters – as it can increase the risk of infections,
  • any problems with the cervix – you might be at higher risk of going into early labour or a miscarriage,
  • a history of going into labour early and you’re in late into your pregnancy,
  • placenta praevia and /or
  • a twin pregnancy.

(Jones et al, 2011; NHS, 2018)

Natural induction

Couples can continue to have sex throughout the ninth month up until the beginning of labour. Some even use sexual intercourse to initiate labour but it’s not clear whether this actually works (Kavanagh et al, 2001).

This page was last reviewed in May 2018.

Further information

Our support line offers practical and emotional support with feeding your baby and general enquiries for parents, members and volunteers: 0300 330 0700.

We also offer antenatal courses which are a great way to find out more about birth, labour and life with a new baby.

Ganem M. (1992) La sexualité du couple pendant la grossesse. Paris: Éditions Filipacchi.

Jones C, Chan C, Farine D. (2011) Sex in pregnancy. CMAJ. 183(7):815-818. Available at:

Kavanagh J, Kelly AJ, Thomas J. (2001) Sexual intercourse for cervical ripening and induction of labour. Cochrane Database Syst Rev. (2):CD003093. Available at:

NHS. (2018) Sex in pregnancy. Available at:

Orji EO, Ogunlola IO, Fasubaa OB. (2002) Sexuality among pregnant women in South West Nigeria.

J Obstet Gynaecol. 22(2):166-168. Available at:

Polomeno V. (2000) Sex and pregnancy: a perinatal educator’s guide. J Perinat Educ. 9(4):15-27. Available at:

von Sydow K. (1999) Sexuality during pregnancy and after childbirth: a metacontent analysis of 59 studies. J Phychosomatic Res. 47(1):27-49. Available at:

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