title: Sixth world congress on fertility and sterility. A review. II.
mesh_terms: D002582:Cervix Mucus; D002584:Cervix Uteri / Q000503:physiopathology; D005187:Fallopian Tubes / Q000503:physiopathology; D005260:Female; D005298:Fertility; D005313:Fetal Death; D006801:Humans; D007246:Infertility; D007247:Infertility, Female; D007248:Infertility, Male; D008297:Male; D010053:Ovary / Q000503:physiopathology; D010060:Ovulation; D011247:Pregnancy; D013094:Spermatozoa / Q000502:physiology