Age at menarche (an individual's first period) and menstrual cycle regularity are 2
reproductive factors that reflect the overall health of a population. Wang et al1 examined …

Menstrual Cycle Health: What’s the Latest Research? | Technology Networks We've
updated our Privacy Policy to make it clearer how we use your personal data. We use …

I can recall exactly when and where I was when I had menarche. It was the summer between
8th and 9th grades. I was 14 years old and had been carrying around “sanitary napkins” in …