Cycle Science

Why yeast infections often show up in the week before her period, how to tell yeast from other causes, what helps, and when to see a doctor.

Cramps, sore breasts and mood swings, but no period? The usual reasons, when a test makes sense, when to call a doctor, and how a partner can help.

Hair loss and periods often share causes: iron, thyroid, PCOS and birth control changes. Which tests to ask for and how a partner can help.

A period lasting longer than 7 days is worth a closer look when it keeps happening. Common causes, the iron link, and when to call a doctor.

PMS vs pregnancy symptoms look almost identical for a week. The few signs that lean one way, when a test works, and how a partner can help during the wait.

A short menstrual cycle usually has an ordinary cause. Here is what counts as short, why cycles shrink, and when a partner should suggest a doctor.

Not every period follows ovulation. Here’s what an anovulatory cycle means, why it happens, and when it’s worth a doctor’s visit.

GLP-1 drugs like Ozempic and Zepbound can disrupt a lean cycle or restore ovulation in PCOS, and the two most common ones handle birth control pills differently. What partners should actually know.

Most men can’t name the cervical mucus method, but she’ll notice the pattern every month. Here’s what those changes mean and how to talk about it without being weird.

A thermometer on the nightstand tells you ovulation already happened, not that it’s coming. Here’s what basal body temperature tracking actually measures, how accurate it is, and what a partner’s job really is.