Butterflies (Papilionoidea) come in a remarkable variety of colors and patterns, from the orange majesty of the monarch to the lustrous red and blue of the peacock butterfly, but all butterflies ...

New research presented at the 41st Annual Meeting of the European Society of Human Reproduction and Embryology (ESHRE) ...

Former First Lady Michelle Obama is facing backlash after saying that creating life is “the least” of what a woman’s reproductive system does. On the latest episode of the podcast “IMO ...

But in Michelle Obama’s version of reality, the female reproductive system’s role in the generation of new life is nearly shameful. She wants women to be only about themselves, and definitely ...

The Texas Senate has approved a bill that defines sex as either male or female based on biological reproductive systems, potentially creating new hurdles for transgender and intersex Texans.

Female mice lacking PGR in epithelial cells of the oviduct are infertile, partly due to embryonic developmental defect. Credit: Science Advances (2025). DOI: 10.1126/sciadv.adt6113 ...

Yet, the female role retained its primacy in reproduction. Even in humans, the female reproductive system is more complex and central, capable of nurturing life independently for weeks before the ...

Obesity affects a woman's reproductive health, leading to irregular menstrual cycles, polycystic ovary syndrome (PCOS) that happens when the woman's ovaries or adrenal glands produce more male ...

The female reproductive system causes a person to experience menstrual periods. Each month, a mature egg is released. If the egg is not fertilized by sperm, then pregnancy does not occur, and a person ...

Claims spread that definitions of "male" and "female" included in a January 2025 executive order that asserted sex is established at conception accidentally classified all Americans as women.