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Bicornuate uterus found at the 20-week ultrasound

How the structures involved in Bicornuate Uterus differ from normal
Illustration: How the structures involved in Bicornuate Uterus differ from normal

Short answer

A possible bicornuate uterus on the 20-week ultrasound usually leads to specialist review and closer pregnancy monitoring.

This answers one question. It is not a diagnosis and does not replace an assessment by a licensed doctor.

At a glance

Meaning
The upper uterus has two horns rather than one rounded cavity.
Diagnosis
Pregnancy can limit how confidently uterine shape is classified.
Monitoring
Extra checks may focus on growth, position, fluid and the cervix.

The short answer

This finding describes a uterus with two upper cavities or horns caused by the way it formed before birth. A pregnancy can stretch the uterus and make its exact shape difficult to define, so the scan may suggest rather than conclusively establish the diagnosis.

What the scan finding may mean

The sonographer and obstetrician consider the outer contour of the uterus and the shape of its cavity. They also distinguish a bicornuate uterus from other uterine shapes, because appearances can overlap on a routine pregnancy scan.

Some people have no symptoms before pregnancy. A bicornuate uterus can be associated with the baby lying in a non-head-down position, earlier labour or changes in cervical length and growth, but the finding does not determine an individual pregnancy outcome.

What happens during pregnancy

Keep your scheduled maternity appointments. Your obstetric team may arrange additional ultrasound checks for the baby's growth, position and amniotic fluid, and may assess the cervix when clinically appropriate. The birth plan can be revisited later once the baby's position and the course of pregnancy are clearer.

Detailed confirmation of uterine shape is often more informative when you are no longer pregnant. Your clinician may discuss three-dimensional ultrasound or pelvic MRI after recovery from birth. Treatment to alter the uterus is not routinely undertaken during an ongoing pregnancy.

Symptoms that need prompt review

Contact maternity triage urgently if you have vaginal bleeding, regular tightening or contractions, a gush or ongoing trickle of fluid, pelvic pressure, persistent lower back pain, fever, severe abdominal pain, or a clear reduction in your baby's usual movements once you have begun noticing a pattern. Seek emergency help for fainting, breathing difficulty or very heavy bleeding.

Points to clarify at your appointment

Ask how certain the ultrasound finding is, whether the cervix and baby currently look reassuring, and whether extra growth or position scans are planned. It is also useful to clarify whether this changes your birth planning and when imaging outside pregnancy could confirm the uterine shape.

Find care

General Clinics & Polyclinics in Abu Dhabi

That answer is general. If you want it applied to your own case, these are licensed general clinics & polyclinics listed in Abu Dhabi.

City
See every listing in Abu Dhabi

Ordered by verification status and how complete each clinic's public record is, then alphabetically. This is a directory listing, not a ranking — Zavis does not rate or recommend providers.

A factual listing drawn from the DHA, DOH and MOHAP licence registers. It is not a referral, an endorsement, or advice that any of these providers is right for you.

Questions people ask

Does a bicornuate uterus mean I need a caesarean birth?

Not by itself. The route of birth depends on factors such as the baby's position, placental location, labour progress and your wider clinical picture.

Can the shape be confirmed while I am pregnant?

Sometimes imaging gives a clear answer, but the enlarged pregnant uterus can obscure its outer contour. Your clinician may recommend definitive imaging after pregnancy.

Did I cause a bicornuate uterus?

No. It develops while the reproductive tract is forming before birth and is not caused by exercise, sex, diet or anything done during this pregnancy.

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Medical disclaimer. This page is general health information, not medical advice, and it cannot diagnose you. Always consult a licensed healthcare provider about your own symptoms and treatment. In an emergency in the UAE, call 998 for an ambulance.