Infradian And Ultradian Rhythms Evaluation

Question 1

Evolutionary basis

Answer 1

One strength of the menstural cycle is that jt may be explained by natural selection

Synchronisation of the menstrual cycle, of the kind of observed in the Stern and McClintock study, is rhought to have evolutionary value.

For our distant ancestors it may have been advantageous for women to menstuate together and becoming pregnant at the same time

In a social group, this would allow babies who had lost rhein most her during childbirth have access to beeast milk, thereby improving their chances of survival

This suggests that Synchronisation is an adaptive strategy