Infradian Rhythms- Menstrual Cycle- Mclintock & Stern

Question 1

Participants

Answer 1

29 women with a history of irregular periods

Question 2

Aim

Question 3

Method

Answer 3

• Samples of pheromones were taken from 9 ppts throughout their cycle by placing cotton pads on their armpits
• The pads were then treated, frozen and rubbed on the upper lip of the other participants

Question 4

Findings

Answer 4

• 68% of the ppts found that their menstrual cycle had synchronised with that of their pad donor