Cancer Risk in Women Treated with Fertility Drugs According to Parity Status-A Registry-based Cohort Study.

Long-term safety of assisted reproductive techniques (ART) is of interest as their use is increasing. Cancer risk is known to be affected by parity. This study examined the risk of cancer after fertility treatment, stratified by women's parity.

Risk of breast cancer following fertility treatment--a registry based cohort study of parous women in Norway.

Despite increasing numbers of women availing themselves of assisted reproductive technology (ART), effects on cancer risk remain unresolved. Given hormonal exposures, breast cancer risk is of particular concern. The aim of this study is to investigate breast cancer risk amongst women giving birth following ART as compared to that amongst women who gave birth without ART.

Infertility treatment and the risk of cancer.

Background: A possible correlation between hormonal stimulation during treatment of infertility and the risk of cancer of the breast, the ovaries, the cervix or the uterus has been investigated in a number of epidemiological studies. The purpose of this article is to review the relevant literature and summarise the findings. KNOWLEDGE BASE: This review article is based on literature searches in the databases MEDLINE, Cochrane and EMBASE.

In vitro fertilization is a successful treatment in endometriosis-associated infertility.

Objective: To assess success rates of IVF and intracytoplasmic sperm injection in women with various stages of endometriosis.

Design: Retrospective cohort study.

Setting: Reproductive medicine unit in a university hospital.