By Amy NortonHealthDay Reporter
WEDNESDAY, July 23, 2014 (HealthDay News) — The timing of a girl’s first menstrual period may be determined by hundreds, and possibly thousands, of gene variations, a new study suggests.
Researchers have identified over 100 regions of DNA that are connected to the timing of menarche — a woman’s first menstrual period. The [...]
Previous Menstruation Stories
- 08/03/2012 - Menstruation