The womb is formed by two halves joining together and then hollowing out to leave a cavity where a pregnancy can develop.

The arcuate uterus is an abnormality where the uterine cavity has a mild indentation or arc towards the uterine cavity. This is the result of the cavity not quite hollowing out as much as usual.

An arcuate uterus is quite common with up to 1 in 10 women having one and some doctors think it is normal.

Diagnosis of an arcuate uterus can be done by either a specialist 3D ultrasound or with Magnetic Resonance Imaging (MRI). It is usually found when investigating women for infertility or after having several miscarriages.

An arcuate uterus does not cause. infertility, early miscarriage or premature birth. Nonetheless, it is thought that an arcuate uterus doubles the risk of miscarriage between 12 and 24 weeks pregnancy and the baby being breech at delivery.

If you have an arcuate uterus, this may sound alarming – but as miscarriage is rare after 12 weeks (1 in 100), you are still unlikely to miscarry with an arcuate uterus.

Do you have an arcuate uterus? Has it affected your fertility? Share your experience.

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