The menstrual cycle can be divided into three different phases - the follicular phase, ovulation and the luteal phase. Each phase of the menstrual cycle has a different function and are regulated by several hormones, which can explain the variations in cycle length.
The Follicular phase
The follicular phase lasts from the first day of your period to the day of ovulation. During this phase, your body prepares itself to accept and support a pregnancy. The endometrium (lining of the uterus) grows and thickens, and the vaginal environment also changes in order to become more ...