The characteristics of women using depot medroxyprogesterone acetate: A cancer risk profile by Mant, D, Vessey, M, Loudon, N

“…Women using DMPA were more likely to be of low social status, to be of high parity, to have had sexual intercourse at an early age, to have given birth at an early age, to smoke cigarettes, and to be overweight than other contraceptive users. …”

Social class differences in sexual behaviour and cervical cancer. by Mant, D, Vessey, M, Loudon, N

“…Women of lower social class, measured both by occupation and by age at completion of full-time education, experienced sexual intercourse at an earlier age but accumulated fewer sexual partners than women of higher social class. …”

Prevalence and incidence of chronic pelvic pain in primary care: evidence from a national general practice database. by Zondervan, K, Yudkin, P, Vessey, M, Dawes, MG, Barlow, D, Kennedy, S

“…Pain due to malignancy, chronic inflammatory bowel diseases or pregnancy, or which occurred only during menstruation or sexual intercourse, was excluded. MAIN OUTCOME MEASURES: Prevalence and incidence rates of chronic pelvic pain in primary care by age and region. …”