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PCOS type guide · Type D

The one without hair or acne signs

PCOS (now called PMOS) Type D: a plainspoken guide to what this pattern can mean, what is often missed, and what to ask next.

Medically reviewed by Dr. Zainab Ajmal, Physician & Medical Reviewer · Last reviewed July 2026

How to use this guide

Your type is which two — or all three — of the signs doctors check you have: periods off schedule, extra androgens, and the "string of pearls" look on an ultrasound. It's not a grade and it's not a verdict. Think of it as a shortcut to what's likely going on under the surface, what to keep an eye on, and which parts of the usual PCOS advice actually apply to you.

Two things worth knowing before you read:

Type D: The one without hair or acne signs

You have periods that don't run on schedule and ovaries with the "string of pearls" look, but no signs of extra androgens — no coarse hair, no stubborn jawline acne, no thinning at the crown, and normal androgen levels on a blood test. This is the type with no visible tells, which is why it's often found late, sometimes only when trying to conceive.

On the blood sugar side, Type D tends to be milder, closer to Type C than to A or B. But the ovulation side is the same as A and B: your cycle isn't running on its own, which matters both for fertility and for protecting your uterine lining.

Type D is also the type that most changes the usual PCOS advice — because most of that advice is aimed at androgens you don't have in excess.

What's often missed

  • Whether it's really Type D. This is the one type where the label depends on a blood test coming back normal. Three things can make that test misleading: it was drawn while you were on the pill (which lowers androgens), only total testosterone was measured (free testosterone or the free androgen index is more sensitive), or it was a one-off on an unusual day. If any of those apply, you may actually be Type A. It's worth getting right, because it decides whether the hair-and-acne half of PCOS treatment applies to you.
  • Something that isn't PCOS. Periods that stop because of under-fueling, very intense training, or high stress can look like Type D on paper: irregular cycles, an ultrasound with lots of follicles, normal androgens. The treatments are completely different. If your cycles stopped rather than became irregular, or your weight or exercise changed around the same time, raise it.
  • The uterine lining. Same as A and B — infrequent periods over years raise the risk of the lining thickening abnormally. Ask about a minimum schedule.
  • Being handed the anti-androgen playbook anyway. If you're offered spironolactone or told to focus on "lowering testosterone," ask why. Those target a problem Type D doesn't have.

Medication notes

  • The pill (combined) or a progestin — used to keep cycles regular and protect your uterine lining, rather than for androgen symptoms. Not with St John's wort.
  • Metformin — only if your own blood sugar tests call for it. Not a default for Type D.
  • Letrozole — first-line when you're trying to conceive and not ovulating; this is where Type D and Type A look the same.
  • Spironolactone — no clear role for Type D. If it's proposed, ask what it's meant to fix.
  • GLP-1s — if weight is a goal for its own reasons; the PCOS-specific case is weaker without blood sugar trouble.

If you're trying to conceive: ovulation is the whole story for Type D. Ask about letrozole early rather than waiting a year to see what happens.

What to ask your doctor

  1. “Which androgen tests were done, and were they done off the pill? Did they include free testosterone or the free androgen index, not just total?”
  2. “Could this be something other than PCOS — for example, periods stopping because of energy, training, or stress? What would tell us the difference?”
  3. “How often do I need a period to protect my uterine lining, and how do we make that happen?”
  4. “Can we do a glucose tolerance test once, so I know where I stand?”
  5. “If relevant: I want to get pregnant. Since I'm not ovulating regularly, when should we start ovulation treatment rather than wait?”

Supplement stack

Your stack is coming; save your results to hear first.

This guide is a starting point for a conversation with your doctor, not a substitute for one. Types are a research framework — they describe patterns across many people, and your own picture may not fit one neatly. Supplements aren't evaluated by the FDA to treat any condition. Talk to your doctor before starting or stopping anything, especially if you're pregnant, trying to conceive, or on medication.