Zaadstra, B.M.

women pregnancy cycle study wamen effect conception fecundity insemination drinking outcome smoking alcohol probability ratio hazard result clinic population health alcohol intake distribution intake habit group model waist-hip ratio fertility 1.00 variable treatment exposure woman donor alcohol drinking life-style habits body mass index life-style analysis table donor insemination coffee value number coffee drinking chance waist-hip child weight pregnancy outcome partner matemal age netherland cohort index insemination cycle relation level difference period befare factor relationship donor inseminated population critica figure habbema jdf infertility netherlands department risk habits habbema medica obesity prevenlive health care rotterdam status regression karbaat j chapter exposure variables