Tag: fertility tracking

– biphasic basal body temperature
– fluctuations over a menstrual cycle
– BBT values divided into two phases
– ovulation as the dividing line
– first phase influenced by estrogen
– lower BBT in the first phase
– second phase controlled by progesterone
– higher BBT in the second phase
– decrease in basal body temperature before menstruation
– variation in BBT changes between individuals
– variation in BBT changes from cycle to cycle