Kristyn Hodgdon

You bought Opill for the convenience — no appointment, no waiting room, no "we can see you in six weeks." Then your period vanished, or showed up nine days late, or turned into two weeks of spotting you can't make sense of. That's the part nobody warned you about, and it's the part you actually came here for: does Opill stop your period, or is something wrong?

Endometritis. Endometriosis. Two words that share ten letters and almost nothing else, which is exactly the kind of detail that trips up patients (and doctors) alike. Type either one into Google at 11 p.m. and you'll probably end up reading about the other, or you'll leave an appointment nodding along to a term you're still not totally sure you have. That confusion isn't a sign you weren't listening closely enough; the naming is unjustly confusing, to put it mildly. Wait, aren't these the same thing?

PCOS. PMOS. PCOD. Getting diagnosed with a chronic hormonal condition is confusing enough without the internet throwing three different acronyms at you and expecting you to figure out which one applies. Trust me, I've been there (and honestly, still am there most days). Let's clear this up right away Here's the short answer: PMOS and PCOD describe the same underlying hormonal and metabolic condition. The difference is largely terminological and regional, not biological.