Subfecundity
National Institutes of Health
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Objective. Increasing use of infertility treatment and a decline in demographic fertility in some countries have raised concern…
BACKGROUND
A high intake of alcohol may prolong waiting time to pregnancy, whereas a moderate intake may have no or perhaps even…
Self‐reported exposure data are vulnerable to differential recall, which threatens the internal validity and thus the credibility…
Many reproductive failures tend to repeat themselves within the same couple. Whether fecundability (the probability of conceiving…
Shift work has been associated with various unfavorable pregnancy outcomes (ie, pregnancy loss, spontaneous abortion, low birth…
This analysis pertains to an examination of fertility trends, differences, contraceptive use, and fertility preferences in…
The two main ways in which disease and nutrition can influence fertility are by reducing fecundity or by extending the birth…
This article discusses some of the characteristics involved in determining family size in preindustrial i.e. noncontraceptive…
This Bulletin examines the causes of subfecundity -- the diminished ability to reproduce -- and its effect today and in the past…
A total of 976 teen-aged women were asked about contraceptive practices in a nationwide survey. 70% of respondents who did not…