Watch out sisters: the pheromones of breastfeeding mothers may be messing
with your menstrual cycle.
Two years ago Martha McClintlock of the University of Chicago showed that
women who live at close quarters really do tend to synchronise their menstrual
cycles, backing the popular perception with hard evidence
(New Scientist, 14 March 1998, p. 6).
Now her team has found that lactating mothers can also influence other women
The researchers asked 26 breastfeeding women to wear absorbent pads in their armpits
and inside their nursing bras. They then asked 54 female volunteers to rub these pads
under their noses…
