Progesterone: The Unsung Hero of Women’s Hormones
- decconaty
- Jan 14
- 3 min read
Progesterone is often overshadowed by its more famous sister, oestrogen, especially as we approach menopause, when all the attention seems to land there. But progesterone is just as vital, and when levels fall, the effects can be felt throughout the entire body.
Progesterone is a key female sex hormone, produced mainly in the ovaries after ovulation each month. When ovulation slows or stops, as it does during perimenopause and menopause, the ovaries produce far less progesterone, and we rely on the adrenal glands to make only small amounts.
So why does progesterone matter so much?
What Does Progesterone Do?
Pregnancy
Progesterone’s primary role is to protect and sustain pregnancy by supporting the embryo and foetus. Low levels are associated with an increased risk of miscarriage.
Menstrual health
After ovulation, progesterone rises during the luteal phase to prepare the uterus for implantation. If levels are low or ovulation doesn’t occur, this can lead to PMS symptoms such as headaches, heavy bleeding, painful periods, and cycle irregularity.
Sleep
Progesterone supports the calming neurotransmitter GABA, helping to quiet the nervous system, reduce stress, and promote deeper, more restorative sleep.
Mood
Often called nature’s anti-depressant, progesterone helps calm anxiety, stabilise mood, and promote emotional resilience.
Thyroid support
Thyroid hormone receptors are found on every cell in the body. Progesterone helps thyroid hormones enter the cells, so low levels can contribute to symptoms such as weight gain, cold hands and feet, hair loss, anxiety, low mood, and fatigue.
Bone health
Progesterone supports osteoblasts (bone-building cells), helping protect against bone loss and osteoporosis.
Cognitive health
Adequate progesterone supports brain health, helping reduce brain fog and memory issues.
Skin health
Progesterone helps counter excess androgens, reducing oily skin and breakouts. It also supports collagen production for healthier, more resilient skin.
Balancing oestrogen
Progesterone keeps oestrogen in check. Excess oestrogen is linked to fibroids, heavy periods, PCOS, endometriosis, and increased risk of breast and ovarian cancers. It can also cause those heightened peri symptoms of sudden weight gain and mood swings.
Why Do Progesterone Levels Drop and What Can Help?
Stress
Chronic stress diverts adrenal hormone production towards cortisol, often at the expense of progesterone. Stress can come from many sources: poor diet, dehydration, nutrient deficiencies, trauma, work pressures, family life, and more. Addressing stress across these areas is essential.
Perimenopause
As egg production declines, ovulation becomes irregular and progesterone production drops. While we can’t reverse this transition, targeted nutrients, lifestyle strategies, and supplements can support the body through this phase as it prepares for menopause.
Oestrogen dominance
High oestrogen levels can worsen symptoms of low progesterone. Supporting balance may include:
Including phyto-oestrogens in the diet
Reducing exposure to xeno-oestrogens (choosing organic foods, clean household products, and non-toxic skincare)
Balancing blood sugar
Reducing refined and ultra-processed foods
How I Can Support You?
If you’re wondering whether THRIVE AFTER 35® or 1:1 support is right for you.
I take the time to really understand you. By reviewing your questionnaires, food diaries and any relevant testing (where appropriate), I create a fully personalised plan tailored to your body, your lifestyle and your goals.
This may include foods to increase or reduce, targeted supplements, and realistic lifestyle strategies, all designed to get to the root cause of what’s going on, rather than just masking symptoms. My aim is to help you feel more balanced, energised and like yourself again.
If you’re ready to stop guessing and start feeling better, I’d love to support you. Get in touch to book a call and see how we can work together.
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