title: Speculative mechanisms affecting sex ratio.
mesh_terms: D000818:Animals; D001007:Anxiety; D001831:Body Temperature; D005260:Female; D005306:Fertilization; D006799:Housing, Animal; D006801:Humans; D007103:Immobilization; D008297:Male; D010063:Ovum; D010551:Personality; D011247:Pregnancy; D011336:Probability; D011581:Psychological Tests; D051381:Rats; D012732:Sex Determination Analysis; D012744:Sex Ratio; D013315:Stress, Psychological; D013696:Temperature