title: Relative increase in Y-chromatin-bearing spermatozoa after in vitro penetration into human cervical mucus.
mesh_terms: D002452:Cell Count; D002582:Cervix Mucus; D005260:Female; D006801:Humans; D008297:Male; D008856:Microscopy, Fluorescence; D010060:Ovulation; D012728:Sex Chromatin / Q000032:analysis*; D012730:Sex Chromosomes; D013094:Spermatozoa / Q000032:analysis*; D013997:Time Factors