Female Reproductive System and Thyroid Health

Thyroid disease and dysfunction can affect the menstrual cycle and reproductive system through one big axis.

The Hypothalamus Pituitary Thyroid (HPT) and the Hypothalamic Pituitary Adrenal Axis (HPA) are intimately connected. And then there is the Hypothalamic Pituitary Gonadal (HPG) that is associated to ovaries in womxn.

So when one axis is stressed, it can stress the next, which can stress the next, and then you're caught in this cycle. This is why learning tools and modalities to support you during times of stress and help you to navigate through them is KEY to healing any chronic or inflammatory disorder - including the thyroid.


Thyroid dysfunction can effect the reproductive system by:

#1 Causing irregular periods or even loss of menses altogether

  • Hypothyroidism can increase frequency/heaviness of periods by: 

    o Increasing prolactin 

    o Decreasing progesterone 

    o Worsening PCOS 

    o Robbing body of energy for reproductive functions

  • Hyperthyroidism can result in lighter/shorter periods further apart, or even amenorrhea (absence of period) 

#2 Infertility, trouble getting pregnant or miscarriage

  • Hypothyroidism interferes with ovulation by affecting prolactin. 

#3 Pregnancy complications (thyroid disorders are the 2nd most common endocrine issue in pregnancy)

Thyroid disorders are the second most common endocrine issue in pregnancy 

  • Usually with hypothyroidism: 

    • Thyrotoxicosis: Extremely elevated thyroid levels with many serious effects, including spontaneous abortion, preeclampsia, low birth weight, stillbirth, and preterm delivery 

    • Subclinical hypothyroidism

  • Hyperthyroidism is associated with preeclampsia, fetal loss, low birth weight, and heart/blood vessel malformation 

  • Thyroid changes are normal during pregnancy, but always refer clients to healthcare professional if you suspect possible complications

    • Look for symptoms like thyroid tenderness/swelling, heat/cold intolerance, and thin, yellowish skin (especially around eyes) 

#4 Postpartum thyroiditis (which affects 5-8% of women)

  • Usually begins 1-8 months postpartum and resolves within 6 months 

  • Early symptoms might be confused with typical postpartum symptoms 

  • Autoimmune disease caused by combination of: 

    • Stress of pregnancy, birth, and postpartum period

    • Stress, poor diet, toxins, EMF exposure, leaky gut, too much sugar, infection, gluten intolerance

  • The typical phase is Hypothyroid > Hyperthyroid > Resolution (though 20% stay in Hypothyroid)


How can you improve your thyroid and reproductive health?

  • Avoid radiation and EMF exposure as best as you can (read more about EMF and radiation HERE)

  • Eat a nutrient dense diet that includes grass fed meats, wild caught fish and organic fruits and vegetables

  • Drink and use filtered water and avoid using plastic containers or bottles to store water

  • Avoid sugar and instead opt for natural sweeteners like honey, maple syrup, agave and monk fruit sweetener

  • Eliminate gluten

  • Include fermented foods and/or probiotics in daily diet

  • Increase fiber intake

  • Consider supplementing with B-complex to aid estrogen dominance (check with your doctor or healthcare professional before adding any supplements to your regimen)

  • Explore possible non-hormonal birth control options, if possible

  • Limit alcohol 

  • Find ways to limit stress

    • Creating grounding morning routine & relaxing bedtime routine

    • Deep breathing exercises 

    • Epsom salt baths, using essential oils 

    • Journaling 

    • Meditation practice 

    • Prayer 

    • Reading fiction 

    • Quality time with friends 

    • Seek the support of a professional (therapist or coach)

    • Walking barefoot on the earth or beach 

    • Yoga, especially Yin Yoga


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