title: Cycle day of insemination, coital rate, and sex ratio.
mesh_terms: D001315:Australia; D001317:Austria; D001530:Belgium; D002031:Bulgaria; D003075:Coitus; D005260:Female; D005298:Fertility; D005387:Finland; D005602:France; D005858:Germany; D006801:Humans; D006814:Hungary; D007314:Insemination; D007558:Italy; D008297:Male; D008598:Menstruation; D010507:Periodicity; D011247:Pregnancy; D012383:Romania; D012744:Sex Ratio; D013019:South Africa; D013223:Statistics as Topic; D014427:Twins; D006113:United Kingdom; D014481:United States