Why some Families have only boys or girls Harvard Study Reveals | Why only boys or girls are disclosed in study
Last updated:July 19, 2025, 12:11 IST Age, Gnetics and Gender: A new study of Harvard University has revealed that some families can have a role of science, not just luck, but also the role of science. According to Harvard’s study, if a woman becomes a mother after 29 years, then the same gender children can…