Infradian rhythms

Question 1

what is an infradian rhythm

Answer 1

a biological rhythm that lasts longer than 24 hours but occur less frequently than once a day. examples include the menstrual cycle and seasonal affective disorder (SAD)

Question 2

what is the menstrual cycle

Answer 2

a monthly biological rhythm (~28 days on average) involving cyclical hormonal changes that prepare the female body for pregnancy. includes changes in oestrogen and progesterone levels.

Question 3

what is oestrogen

Answer 3

a hormone that peaks around ovulation, playing a role in regulating the menstrual cycle and influencing emotional and physical states

Question 4

what is progesterone

Answer 4

a hormone that rises after ovulation and helps prepare the uterus for possible pregnancy. it also affects mood and body temperature.

Question 5

what is ovulation

Answer 5

the midpoint of the menstrual cycle when an egg is released. often associated with a peak in oestrogen and sometimes with changes in mood or sexual desire

Question 6

what is seasonal affective disorder (SAD)

Answer 6

a type of depression that occurs on a seasonal cycle, typically during winter months. thought to be linked to reduced exposure to natural light and changes in internal biological processes.