If the existence of an internal clock that controls the menstrual cycle is confirmed in further studies, then the medical treatment of ovulation disorders could use the chronobiological approaches ...

Ovulation typically occurs around day 14 of your menstrual cycle. But if your cycle is irregular or your calculations are off, having penis-in-vagina sex without a barrier method at other times of ...

The menstrual cycle is often compared to a complex biological clock. Each month, a well-orchestrated ballet of hormonal variations determines the evolution of the cycle, influencing not only ...