breeding system

Sperm cells in the race to fertilize the egg in the uterus. Illustration: depositphotos.com

New study: 50% decrease in men's sperm count in the last 50 years all over the world

In the most comprehensive study done on the subject, it was found that sperm quality deteriorates over the years in men all over the world, including in Africa, Latin America and Asia, and that the rate of decline even increases in the 21st century * "Research
The "chip" whose operation restores the menstrual cycle. Source: Northwestern Medicine.

A monthly cycle "on a chip" provides a window into female physiology

Dr. Ofer Gerlitz. Photo: The Hebrew University

Researchers have discovered a new mutation that can be detected in genetic tests

Ovary structure. Illustration: shutterstock

Research: A genetic mutation causes premature ovarian failure