This is a multiple pregnancy with one embryo implanting in the uterine cavity and another is simultaneously ectopic. The natural incidence of heterotopic pregnancy is one in 30, 000. Infertility is associated with an increased risk of ectopic pregnancy and infertility treatment involving ovulation induction drugs increases the chance of multiple pregnancy. As a result of assisted conception, the incidence of heterotopic pregnancy has increased.

Ultrasound can assist early diagnosis of heterotopic pregnancy. In one study, two-thirds of the intrauterine pregnancies resulted in live births.


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This is the personal website of David A Viniker MD FRCOG, retired Consultant Obstetrician and Gynaecologist - Specialist Interests - Reproductive Medicine including Infertility, PCOS, PMS, Menopause and HRT.
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- Specialist Interests - Reproductive Medicine including Infertility, PCOS, PMS, Menopause and HRT.

I do hope that you find the answers to your women's health questions in the patient information and medical advice provided.

The aim of this web site is to provide a general guide and it is not intended as a substitute for a consultation with an appropriate specialist in respect of individual care and treatment.

David Viniker retired from active clinical practice in 2012.
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