The persistence of spermatozoa, seminal acid phosphatase, choline and seminal bloodgroup antigens in the human vagina after sexual intercourse has been studied and the following results obtained. 1. Spermatozoa were usually found up to 3 days after intercourse and were occasionally found up to 6 days afterwards. Smears without spermatozoa were obtained from swabs taken as early as 28 hours, but...

OBJECTIVE This study describes the sexual behavior among students who participated in the National Adolescent School-based Health Survey (PeNSE) 2012 and investigates whether social inequalities, the use of psychoactive substances and the dissemination of information on sexual and reproductive health in school are associated with differences in behavior. METHODOLOGY The response variable was ...

OBJECTIVE To determine the pattern of clinical presentation of carcinoma of the cervix in Nnewi Southeast Nigeria with a view to determining strategies for intervention. METHOD This is a retrospective descriptive study involving all cases of clinically diagnosed carcinoma of the cervix seen over a five year period. RESULTS Forty three case notes were available for study. The age range was 3...

To understand the consequences of adolescent pregnancy and childbearing on siblings, a study compares 309 younger brothers and sisters of pregnant, parenting and never-pregnant teenagers. Compared with the younger siblings of never-pregnant teenagers, the younger sisters of pregnant teenagers see school and career as less important, are more accepting of adolescent childbearing, perceive younge...

We examine interactive effects of childhood sexual abuse (CSA) on heritable variation in age at first consensual sexual intercourse in a young cohort of 3,350 female and 2,724 male Australian twins. Consistent with hypotheses, genetic influences explained little if any variation in age at first consensual sexual intercourse for female twins reporting CSA (CSA(+)), with shared environment explai...