Sep 25, 2026 · 7 min · 6 segments
What the shift from PCOS to PMOS means for your fertility journey. Read the full article here. Episode Transcript For more on this story and for others like it, visit the Health Lab website where…
If you have polycystic ovary syndrome, or PCOS, you may soon see a new name for the condition.
Han N. Cottrell, MD, a double board-certified reproductive endocrinologist, specializes in infertility at the University of Michigan Health Center for Reproductive Medicine.
She says the name change now reflects that the condition involves more than just the ovaries.
Quote, the condition encompasses more than issues with ovarian function.
It also encompasses metabolic factors as well, she said.
While the old name, polycystic ovary syndrome, viewed your body through a narrow, localized lens.
Let's break down the new name, PMOS, and show how it uses a telescopic lens to show how your fertility is deeply connected to your entire endocrine system.
First, polyendocrine.
Poly means many, and endocrine refers to your hormone systems.
This acknowledges that ovulation struggles are driven by an intricate web of interconnected hormones rather than just a single reproductive organ issue.
Second, metabolic.
This is the most crucial addition for fertility.
It formally recognizes that your body's energy and blood sugar processing directly impact egg quality, ovulation regularity, and early pregnancy health.
Third, ovarian.
The ovaries remain a critical piece of the puzzle, maintaining the link to reproductive health, egg development, and fertility.
And finally, syndrome, which is a collection of signs that look completely different from one person to the next, meaning your fertility plan must be customized to your specific body.
While each person's symptoms can present differently, Cottrell says the general three main criteria for PMOS diagnosis are irregular menstrual cycles, signs of hormonal imbalance, such as increased hair growth, acne, or other skin changes, and ultrasound findings showing multiple small follicles within the ovary.
If you have polycystic ovary syndrome, or PCOS, you may soon see a new name for the condition.
Han N. Cottrell, MD, a double board-certified reproductive endocrinologist, specializes in infertility at the University of Michigan Health Center for Reproductive Medicine.
She says the name change now reflects that the condition involves more than just the ovaries.
Quote, the condition encompasses more than issues with ovarian function.
It also encompasses metabolic factors as well, she said.
While the old name, polycystic ovary syndrome, viewed your body through a narrow, localized lens.
Let's break down the new name, PMOS, and show how it uses a telescopic lens to show how your fertility is deeply connected to your entire endocrine system.
First, polyendocrine.
Poly means many, and endocrine refers to your hormone systems.
This acknowledges that ovulation struggles are driven by an intricate web of interconnected hormones rather than just a single reproductive organ issue.
Second, metabolic.
This is the most crucial addition for fertility.
It formally recognizes that your body's energy and blood sugar processing directly impact egg quality, ovulation regularity, and early pregnancy health.
Third, ovarian.
The ovaries remain a critical piece of the puzzle, maintaining the link to reproductive health, egg development, and fertility.
And finally, syndrome, which is a collection of signs that look completely different from one person to the next, meaning your fertility plan must be customized to your specific body.
While each person's symptoms can present differently, Cottrell says the general three main criteria for PMOS diagnosis are irregular menstrual cycles, signs of hormonal imbalance, such as increased hair growth, acne, or other skin changes, and ultrasound findings showing multiple small follicles within the ovary.
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