Why Progesterone Is Important
When people talk about women’s Hypothalamic Amenorrhea (HA) recovery, or womens hormones in general, estrogen usually steals the spotlight. But progesterone is just as important- and without enough of it, your body can struggle in ways you may not realize.
Progesterone is often called the “pregnancy hormone,” but its role extends far beyond fertility. It’s a powerful hormone that supports your brain, bones, menstrual cycle, and overall health.
The catch? Your body only produces significant amounts of progesterone after ovulation. If you’re not ovulating- such as with hypothalamic amenorrhea (HA) -your progesterone levels remain low.
I hope that this blog post helps you to understand why, as women, we can't just live our life without a period, low estrogen AND low progesterone.
What Is Progesterone?
Progesterone is a hormone primarily produced by the corpus luteum, a temporary gland that forms after an egg is released during ovulation. If pregnancy occurs, the placenta eventually takes over progesterone production. If pregnancy doesn’t occur, progesterone naturally declines, triggering your menstrual period.
Because progesterone depends on ovulation, having a monthly bleed from hormonal medications or hormone replacement therapy isn’t the same as producing your own progesterone naturally.
But let's go further- what does Progesterone actually do for us.
1. Progesterone Supports a Healthy Menstrual Cycle
One of progesterone’s most important jobs is balancing estrogen throughout your cycle. After ovulation, progesterone stabilizes the uterine lining and prepares it for a possible pregnancy.
If pregnancy doesn’t occur, progesterone levels fall, signaling your body to shed the uterine lining and begin a new cycle.
Without ovulation, this natural hormonal rhythm is disrupted.
2. Progesterone Helps You Feel Calm
Many women notice they feel calmer during the first part of the luteal phase, when progesterone is naturally at its highest.
Progesterone is converted into a compound called allopregnanolone, which interacts with GABA receptors in the brain. These receptors help regulate stress, promote relaxation, and support restful sleep.
Low progesterone may contribute to:
Difficulty sleeping
Increased anxiety
Feeling constantly “on edge”
Poor stress resilience
While hormones aren’t the only factor affecting mental health, healthy progesterone production plays an important role in nervous system function.
3. Progesterone Is Essential for Pregnancy
Progesterone prepares the uterus for implantation and helps create the ideal environment for a developing embryo.
Without adequate progesterone after ovulation, pregnancy cannot be maintained. This is why progesterone is critical for both conception and early pregnancy.
4. Progesterone Supports Strong Bones
Bone health isn’t just about having adequate estrogen and lifting weights like we've been led to believe.
Progesterone also contributes to healthy bone remodeling by supporting the cells responsible for building new bone.
Women who stop ovulating for long periods or time—such as those with HA—often experience low levels of both estrogen and progesterone, increasing their risk of reduced bone density over time.
5. Progesterone Helps Balance Estrogen
Estrogen stimulates growth of the uterine lining, while progesterone helps regulate and stabilize that growth.
Together, these hormones work as a team to support healthy menstrual cycles and uterine health. Maintaining a healthy balance between estrogen and progesterone is one reason why regular ovulation is so important.
6. Progesterone Is a Sign of a Healthy, Ovulatory Cycle
One of the most overlooked facts about progesterone is that it’s a marker of overall reproductive health.
If your body isn’t producing progesterone, it’s often because you aren’t ovulating. As we know, when you're in hypothalamic amenorrhea, low progesterone is almost a given because the brain suppresses ovulation in response to insufficient energy availability, excessive exercise, chronic stress, or a combination of these factors.
Restoring ovulation thorugh period recovery allows your body to naturally produce progesterone again, supporting much more than just fertility.
To Sum It Up- We Need To Ovulate to Increase Progesterone
I hope you have now learned that the only way progesterone comes online is through true ovulation. I may be repeating myself but I just need you to understand: adequate amounts of progesterone does not get made- until you ovulate.
And the only way you will naturally and organically ovulate, is through period recovery.
Progesterone isn’t just a hormone for pregnancy—it’s a hormone for whole-body health.
From supporting your mood and sleep to protecting your bones and balancing your menstrual cycle, progesterone plays a vital role throughout a woman’s life.
If you’ve lost your period, suspect you’re not ovulating, and believe you are in HA, it’s worth asking questions.
Restoring healthy ovulation is important for much more than just getting your period back. It has lasting benefits for your hormones, long-term health, and overall well being.
If you’re currently recovering from Hypothalamic Amenorrhea and want guidance on restoring ovulation naturally, I got you.
Know that you're ready to start period recovery? Ready to ovulate again? Ready to restore your hormones naturally? Then book a FREE discovery call. Bring your questions, bring your lab work. I am here ready to support you!
Resource:
Bulletti C, Bulletti FM, Sciorio R, Guido M. Progesterone: The Key Factor of the Beginning of Life. Int J Mol Sci. 2022 Nov 16;23(22):14138. doi: 10.3390/ijms232214138. PMID: 36430614; PMCID: PMC9692968.
Rebecca Pinho
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