Did you know that over 150 million women worldwide use oral contraceptives? That’s a staggering number — and yet, so many of us have no idea what those little pills are actually doing to our hormones. I didn’t either, until a few years ago when I started feeling… off. Tired all the time, zero motivation to work out, and honestly? Just kind of blah. Turns out, the conversation around oral contraceptives and testosterone in women is way more important than most doctors let on.

What Does Testosterone Actually Do in Women?

Okay, first things first — testosterone isn’t just a “guy thing.” Women produce it too, mainly in the ovaries and adrenal glands. It plays a huge role in energy levels, libido, muscle mass, and even mood. When I learned this, my mind was kind of blown, honestly.

According to the Endocrine Society, androgens like testosterone are essential for overall female health and well-being. Low levels can lead to fatigue, low sex drive, and even depression. So yeah, this stuff matters.

How Oral Contraceptives Affect Testosterone Levels

Here’s where it gets interesting — and a little frustrating, tbh. Most combined oral contraceptives (the ones with both estrogen and progestin) work by suppressing ovulation. But they also do something else: they increase a protein called Sex Hormone-Binding Globulin (SHBG).

SHBG basically grabs onto free testosterone in your bloodstream and makes it unavailable for your body to use. Think of it like a bouncer at a club — testosterone shows up, but SHBG won’t let it in. Studies, including one published in the Journal of Sexual Medicine, have shown that women on the pill can have significantly higher SHBG levels — sometimes 3 to 4 times higher than normal.

The result? Lower free testosterone, even if total testosterone looks “normal” on a blood test. I went through this exact thing and my doctor kept telling me my labs were fine. Spoiler: they weren’t looking at the right numbers.

Symptoms You Might Notice

Not every woman will feel these changes, but many do. Some of the most commonly reported symptoms related to lowered androgens from hormonal contraceptives include:

• Decreased libido or sex drive
• Persistent fatigue or low energy
• Difficulty building or maintaining muscle
• Mood changes, including anxiety or low mood
• Vaginal dryness
• Reduced motivation or mental sharpness

I remember feeling like I was running on empty for months. I thought it was stress or just “being busy.” Nope — it was hormonal. And once I started connecting the dots, everything made a lot more sense.

Does This Happen With All Birth Control Pills?

Not equally, no. Different formulations have different effects on SHBG and androgen levels. Pills with higher estrogenic activity tend to raise SHBG more dramatically. Meanwhile, some progestins — like those derived from testosterone — actually have mild androgenic effects and may not suppress free testosterone as heavily.

According to Planned Parenthood, there are many types of pills with varying hormone combinations. It’s worth talking to your doctor about which formulation might work best for your body and your hormonal needs — because one size definitely does not fit all here.

What Can You Do About It?

First off — don’t just stop taking your pill without talking to your doctor. That’s not the move. But there are some practical steps worth exploring:

• Get a full hormonal panel — Ask specifically for free testosterone and SHBG levels, not just total testosterone.
• Discuss alternative contraceptives — Non-hormonal options like copper IUDs don’t interfere with androgen levels at all.
• Support your body naturally — Strength training, adequate sleep, and managing stress can all help maintain healthier testosterone levels.
• Consider a different pill formulation — Some women do better switching to a lower-estrogen pill or one with a different progestin type.

After switching my contraceptive method, it genuinely took a few months, but I started feeling like myself again. More energy, better workouts, better mood. It was such a relief.

Your Body, Your Call — But Make It an Informed One

The relationship between oral contraceptives and testosterone in women is something more of us should be talking about openly. It doesn’t mean the pill is “bad” — for millions of women, it’s life-changing in the best way. But understanding how it affects your hormones puts the power back in your hands.

Always work with a healthcare provider you trust, advocate for complete lab work, and never feel silly for asking questions about your own body. You deserve answers. And if this topic got you curious about women’s health and hormones, there’s a lot more where this came from — head over to Prime Guts and keep exploring. Your health journey is worth every click.