by G. Lee
The menstrual cycle can be divided into the follicular phase, ovulation and the luteal phase. Negative feedback and in some cases positive feedback play important roles in coordination of the cycle. ~ THE FOLLICULAR PHA...read more
by Eleanor Neal
The Biology of the Menstrual Cycle. Approximately once a month, reproductively mature females menstruate. For many this results in unpleasant emotional and physical surges, and increased expenditure on chocolate. The ...read more
by Sabah Aslam
MENSTRUAL CYCLE The period of regularly recurring physiologic changes in the endometrium that culminates in its shedding (menstruation). The female is fertile only during few days of the months and the pattern of hormone...read more
by Tina Lehman
The human menstrual cycle begins when females reach puberty, which is typically around age 12 or 13. For most women, the menstrual cycle lasts for 28 days, but this can vary widely from woman to woman or from month to mon...read more
by Dan Hanna
Normally the ovarian cycle begins at the onset of puberty and continues through menopause, interrupted only by pregnancy. It consists of two phases, the first being the follicular and the second the luteal. The cycle gener...read more
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