BackgroundWe investigated whether reported psychiatric morbidity was increased after
termination of pregnancy compared with other outcomes of an unplanned pregnancy.…

A nested case-control analysis of data collected during the prospective Royal College of
General Practitioners' Oral Contraception Study was performed to examine the relation between …

Polycystic ovary syndrome (PCOS) is associated with reproductive, endocrine, and metabolic
abnormalities. Because hyperandrogenism is the most consistent PCOS feature, we used …

In the course of a large-scale prospective study of the health of oral contraceptive users, the
rate of reporting of arterial diseases was examined in two groups of users of pill brands that …

It has been suggested that use of the oral contraceptive pill by women confers protection
against osteoporosis later in life. However, cross-sectional studies of bone density among pill …

An analysis of the occurrence of breast cancer in this long-term prospective cohort study shows
a significant relative risk (RR) in women who have ever used oral contraceptives (OC) of …

… Logan RFA (Department of Community Medicine and Epidemiology, Medical School,
Queen's Medical Centre, Nottingham, NG7 2UH, UK), and Kay C R. Oral contraception, smoking …

Although some information is available about the risk of liver tumors associated with combined
oral contraceptive use, little is known about the relationship with other hepatic problems. …

From data available at April 1987 it was found that the standardised risk ratio for rheumatoid
arthritis between current users of oral contraceptives and never users was 0.82 (95% …

Several studies have suggested that prolonged use of oral contraceptives may increase a
woman's risk of developing malignant melanoma. In the Royal College of General Practitioners…