Widely used dichotomous categorical measures of pregnancy intentions do not represent well the complexity of factors involved in women's intentions. We used a variety of exploratory statistical methods to examine measures of pregnancy intention in the 2002 National Survey of Family Growth (N = 3,032 pregnancies). Factor analyses identified two key dimensions of pregnancy intentions (desire and ...

Women who are regularly cycling exhibit different partner preferences than those who use hormonal contraception. Preliminary evidence appears to suggest that during pregnancy women's partner preferences also diverge from those prevalent while regularly cycling. This is consistent with the general assertion that women's mate preferences are impacted by hormonal variation. During pregnancy, women...

BACKGROUND It is apparent that many fertility patients consider multiple birth an ideal treatment outcome. We wished to evaluate the desire for multiple birth among patients, and the effect of patient demographics and recognition of the increased fetal risks of multiple pregnancy on this desire. METHODS This was a prospective questionnaire study completed by 801 male and female infertility pa...

Introduction One generation ago world leaders convened in Nairobi to discuss pathways to sustainability in the world’s energy supply [1, 2]. At the time, the world faced record high energy prices and decision makers were gradually becoming aware of the social and environmental costs of their nations’ appetites for energy. In 1981 in Nairobi, the representatives of the world’s nations committed ...

Changes in sexual life during pregnancy and after childbirth Some women may have less desire for sex, experience less satisfying sexual relationships and feel uncomfortable having sex during pregnancy and after childbirth. However, others may be more satisfied with their sexual life and have more desire for sex. Some women may enjoy foreplay, oral sex or masturbation more than actual intercours...