Reproductive Epidemiology

Terms in reproductive and perinatal epidemiology: I. Reproductive terms.

Accepted for publication 31 August 2004 . . . . . . . . . . . . . . . . . . . . . . . T he terms included in the glossary have widely diverse origins, ranging from endocrinology and reproductive biology to sociology and demography to obstetrics and paediatrics. Perhaps because of these disparate origins, definitions are not always consistent. Frank differences in definitions of common variables...

Epidemiology of reproductive performance in dairy cows.

The objectives of this presentation are to review results of our previous and on-going research with respect to the risk factors and consequences of poor reproductive performance in dairy cows, and to develop an economic framework to optimize decisions related to dairy cow reproductive performance. To make profitable breeding and replacement decisions, the farmer must account for factors includ...

The discounted reproductive number for epidemiology.

The basic reproductive number, R(0), and the effective reproductive number, R, are commonly used in mathematical epidemiology as summary statistics for the size and controllability of epidemics. However, these commonly used reproductive numbers can be misleading when applied to predict pathogen evolution because they do not incorporate the impact of the timing of events in the life-history cycl...

Reproductive Epidemiology of Aluminium Foundry Workers

160 non-smoking male workers engaged in the production of aluminium alloys were studied for their reproductive performance. The reproductive parameters studied included number of pregnancies, stillbirths, abortions in their wives and number of neonatal deaths, premature births, congenital abnormalities in their offspring. For comparison, 150 controls belonging to the same age group and socio-ec...

Maternal Health Epidemiology Reproductive Health Series Module 2