🌿 Hormonal Birth Control & The Body: What Really Happens Beneath the Surface
- Hailey

- Oct 29
- 5 min read
For decades, hormonal birth control has been handed out as the go-to fix for almost every women's health concern. From irregular periods, acne, painful cramps, or mood swings. It is marketed as "regulating" your cycle, but here is the truth: it does not regulate your hormones, it replaces them.
This blog is not anti-birth-control. It is about informed choices. You deserve to understand what is actually happening inside your body so you can make decisions that align with your health goals, values, and long-term well-being.
🧬 How Hormonal Birth Control Actually Works
Most hormonal contraceptives, whether it is "the pill," patch, ring, implant, or shot, contain synthetic forms of estrogen and/or progestin. These lab-made hormones send a steady signal to your brain that prevents the normal hormonal rise and fall that triggers ovulation.
Here is the simplified pathway when on birth control:
1️⃣ The hypothalamus communicates with the pituitary gland, which releases follicle-stimulating hormone (FSH) and luteinizing hormone (LH).
2️⃣ These two hormones normally tell the ovaries to mature and release an egg.
3️⃣ Synthetic hormones flatten this signal, keeping FSH and LH levels low so ovulation never occurs.
4️⃣ Without ovulation, your body does not produce its own estrogen and progesterone at natural levels.
In short, hormonal birth control suppresses your natural hormonal rhythm.
The bleeding that occurs during placebo week is not a true menstrual period, it is a withdrawal bleed from the sudden drop in synthetic hormones.
✨Quick Recap: On hormonal birth control, ovulation never occurs, natural estrogen, progesterone, and testosterone production drop dramatically, the lining of the uterus stays thin, and cervical mucus thickens to block sperm.
⚖️ What Happens When Natural Hormones Are Suppressed
Hormones influence far more than fertility. They shape mood, metabolism, energy, digestion, and even brain chemistry. When your body's natural hormone production shuts down, you may notice subtle, or not-so-subtle, changes across multiple systems.
🧠 Brain & Mood: Estrogen and progesterone normally support serotonin, dopamine, and GABA, neurotransmitters tied to happiness, motivation, and calm. Some women experience mood changes or emotional flatness on hormonal contraception due to reduced natural signaling.
💪 Metabolism & Body Composition: Natural progesterone improves insulin sensitivity and metabolic rate. Its absence may make blood sugar and weight regulation harder, especially if diet and stress are unbalanced.
💆♀️ Skin & Hair: Synthetic progestins differ in androgenic activity. Some reduce acne; others increase it or cause hair thinning by lowering free testosterone through elevated sex-hormone-binding globulin (SHBG).
🌿 Thyroid & Adrenals: Higher SHBG and altered cortisol rhythms can indirectly influence thyroid conversion (T4→ T3) and energy output. You may feel "wired but tired."
🧫 Gut Health: Estrogen receptors exist in the gut microbiome. Suppressing natural estrogen can shift microbial balance, contributing to bloating, constipation, or inflammation.
🍃 Nutrient Depletion: Long-term use of hormonal contraceptives is associated with lower levels of:
B vitamins (B2, B6, B12, folate): vital for energy, mood, and detox pathways.
Zinc & Magnesium: needed for hormone synthesis and stress resilience.
Vitamin C & Selenium: key antioxidants.
💊 When Hormonal Birth Control Is Still the Right Choice
There are absolutely times when hormonal contraception is beneficial or necessary, for pregnancy prevention, managing endometriosis or PCOS, or supporting certain medical conditions.
We live in a world where we have options, and women deserve the right to make informed decisions about their own bodies.
The key is informed use because real education is often missing when it comes to the medications we're given. Most of us are simply told how to take them and what they are for, not what they actually do inside our bodies. Everyone deserves to understand the full picture and make empowered choices that align with their health goals.
Pharmaceutical options today range from combined oral contraceptives to progestin-only methods, and non-hormonal devices like the copper IUD. There are even modern-fertility tracking tools like Natural Cycles and TempDrop that use temperature data.
💠 Common Types of Birth Control
If you decide hormonal contraception is the best choice for your current season of life, it helps to understand what each option actually does. While most hormonal methods suppress ovulation, they differ in how they deliver hormones and how your body may respond.
💊 Combined Oral Contraceptives (COCs): Contain both synthetic estrogen (usually ethinyl estradiol) and a synthetic progestin. Suppresses ovulation, thins the uterine lining, and thickens cervical mucus. This allows for predictable "cycles," possible acne improvement, and reduced cramps. Common examples include: Yaz®, Yasmin®, Ortho Tri-Cyclen®, Lo Loestrin®.
🌿 Progestin-Only Pills (POPs / “Mini-Pills”): Contain only a synthetic progestin (like norethindrone or drospirenone). Thickens cervical mucus and may partially suppress ovulation. These options are considered safer for those who cannot take estrogen.
💉 Injections (Depo-Provera®): Contains medroxyprogesterone acetate, given as an intramuscular shot every 3 months. It is one of the options that is lower maintenance.
💍 Vaginal Ring (NuvaRing®, Annovera®): Releases estrogen and progestin locally through the vaginal wall.
🩹 Transdermal Patch (Xulane®, Twirla®): Delivers estrogen and progesterin through the skin.
💠 Implant (Nexplanon®): A small rod inserted under the skin that releases etonogestrel (progestin).
🌀 Hormonal IUDs (Mirena®, Kyleena®, Skyla®, Liletta®): Release levonorgestrel (progestin) directly into the uterus.
🧲 Non-Hormonal Option: Copper IUD (Paragard®): While not hormonal, it is worth mentioning as an effective alternative. The copper creates an environment toxic to sperm.
🌸 The Post-Pill Phase: Rebalancing Naturally
When you stop hormonal birth control, your body has to "wake up" its hormone-brain communication again. This transition, often called post-pill syndrome, can bring temporary irregular cycles, acne, hair shedding, mood changes, or fatigue.
Your body is not broken. It is recalibrating. Supporting it through this phase can make a huge difference.
Replenish nutrients: Eat whole foods rich in B vitamins, zinc, and magnesium, think grass-fed beef, eggs, avocado, pumpkin seeds, and leafy greens.
Support liver detoxification: Cruciferous veggies (broccoli, kale, cauliflower), lemon water, and light sweating through exercise or sauna help metabolize leftover hormones.
Balanced blood sugar: Pair carbs with protein and fiber to steady cortisol and insulin.
Prioritize sleep & stress management: The brain-ovary connection thrives on rest and relaxation.
⚠️ Disclaimer: This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. The content shared through Holistically Trained is based on research and holistic practice and should not replace medical advice from your healthcare provider. Always consult your qualified health professional before making changes to your diet, medications, or supplements.
🧠 References
Burrows LJ, et al. The Effects of Oral Contraceptives on Androgen Levels in Women. J Sex Med. 2012.
Lopez LM, et al. Hormonal Contraceptives and Mood. Cochrane Database Syst Rev. 2023.
Palan PR, et al. Effect of Oral Contraceptives on Serum B6, B12, and Folate Levels. Contraception. 2021.
Torgrimson BN, et al. Oral Contraceptives and Hormone Physiology. Sports Med. 2011.
Rupa Health. Comprehensive Hormone Panel Overview. 2025.
Zimmerman Y, et al. The Effect of Combined Oral Contraceptives on Metabolic Function. J Clin Endocrinol Metab. 2014.
Stanczyk FZ. All Progestins Are Not Created Equal. Steroids. 2003.



