What are the risks of ovulation induction?

Ovulation induction and ovarian tumours: the debate continues. Murad A .

Aga Khan University, Karachi.

Objectives:

To critically review the published literature regarding the proposed association of ovarian stimulation and increased risk of ovarian tumors.

Design:

A medline search (1966-1997) was done to identify case reports and epidemiological studies relevant to the issue in question. Review articles and critical reappraisals in the form of comments on studies done were also used.

Results:

Various case reports, studies and review articles were identified as most relevant.

Conclusion:

Despite a few studies showing an apparent association between ovulation induction and ovarian cancer, support for their results has not been forthcoming. From the available data a causal relationship is not substantiated. To settle this issue large prospective studies are needed. Meanwhile, close clinical surveillance of patients being treated with ovulation induction is required.

Please click on the required question.

• 1 What are the objectives of infertility treatment?
• 2 Why have I been advised to take folic acid as part of my infertility treatment?
• 3  Although my ovaries have eggs in them, my tests show that I am not releasing them (anovulation) and this is causing infertility. How can this be treated?
• 4 If I take drugs to induce ovulation (ovulation induction) for my infertility, are there any risks?
• 5 How is ovulation induction treatment for infertility monitored?
• 6 How does clomiphene citrate work for infertility?
• 7  How effective is clomiphene in the treatment of infertility?
• 8 Could I experience any problems whilst taking clomiphene?
• 9 Is there any advantage in having an injection of HCG to ensure ovulation?
• 10 How does tamoxifen work?
• 11 How can hyperprolactinaemia be treated?
• 12 How does metformin work?
• 12A How does letrozole work for infertility?
• 13 How do gonadotrophins work?
• 14 What are the risks for me if I receive gonadotrophin therapy?
• 15 What are recombinant gonadotrophins?
• 16  What is ovarian hyperstimulation syndrome (OHSS)
• 17 How is ovarian hyperstimulation syndrome treated?
• 18 How does electrocautery (ovarian drilling) work for infertility associated with polycystic ovary syndrome (PCOS)
• 19 I have been found to have endometriosis. How should this be treated to improve my chance of conceiving?
• 20 Tests have shown that I have problems with my Fallopian tubes. What can be done about this?
• 21 I have fibroids. How should these be treated to improve my fertility?
• 22 My post-coital test has shown that my mucus is stopping the sperm from swimming (mucus hostility). What can be done?
• 23 When can intrauterine insemination (IUI) improve our chance of achieving a pregnancy?
• 24 What is in vitro fertilisation (IVF) and embryo transfer (ET)
• 24A IVF single or double embryo transfer?
• 25 What is intracytoplasmic sperm injection (ICSI)
• 26 How do tubal surgery and IVF compare?
• 27 What are egg donation and egg sharing?
• 28 What is selective embryo transfer?
• 29 Investigations have shown no obvious cause for our difficulty achieving a pregnancy. Are there any treatments for our unexplained infertility?
• 30 We have tried a variety of treatments but we still have not achieved a pregnancy. Why should this be?
• 31  We are finding the investigation and treatment of our fertility problems to be ever more stressful. Can stress be a cause of infertility?
• 32 How can we determine which fertility unit is likely to be the best for us?
• 33 Where can I obtain more information?
• 34 Support Groups.
  

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This is the personal website of David A Viniker MD FRCOG, Consultant Obstetrician and Gynaecologist at Whipps Cross University Hospital, London - 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.

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