Jan 7, 2026Explore if a father’s age affects the gender of his baby and learn about the science behind gender determination.

Jan 4, 2026Explore the fertility potential of individuals with XYY syndrome and seek expert advice on reproductive health.

Dec 24, 2025Discover the lifespan differences between girl (X) and boy (Y) sperm in reproductive health.

Dec 23, 2025Explore if male sperm swim faster than female sperm and how this affects conception methods.

Aug 25, 2025Learn if twins can occur without a family history, plus factors that influence twin births.