Skin changes during pregnancy

Growing a human is a full-body experience. While most books focus on your growing bump or your changing appetite, your skin is often the first place where the wild hormonal ride of pregnancy becomes visible. 

From the famous "glow" to the less-welcome "mask," here is a breakdown of what’s actually happening to your skin during these nine months. 

1. The Famous "Pregnancy Glow" 

It’s not just a myth! The "glow" is actually a result of two very physical changes. First, your blood volume increases by nearly 50% during pregnancy to support the baby. This increased circulation brings more blood to the surface of your skin, giving you a flushed, bright appearance. Second, hormonal shifts cause your oil glands to produce more sebum, making the skin look shinier and more hydrated. 

2. Melasma: The "Mask of Pregnancy" 

If you notice symmetrical dark patches on your forehead, cheeks, or upper lip, you’re likely experiencing melasma. This type of hyperpigmentation is triggered by a combination of high estrogen levels and sun exposure. These hormones stimulate the melanocytes (pigment-producing cells) to overproduce melanin. 

It’s also why you might notice a dark line appearing down your stomach (the linea nigra) or your freckles and moles looking a bit darker than usual. 

3. The Return of Teenage Breakouts 

Even if you haven't had a blemish since high school, pregnancy can bring them back with a vengeance. During the first trimester, a surge in progesterone tells your pores to produce more oil. While this contributes to the "glow," it can also lead to clogged pores and "pregne-acne," typically around the chin and jawline. 

4. Stretch Marks and Itching 

As the skin on your abdomen, breasts, and thighs stretches to accommodate your baby, the connective tissue (collagen and elastin) underneath can thin or tear. This results in striae gravidarum, or stretch marks. 

Because the skin is being pulled tight, it often becomes incredibly itchy. This is your body's way of signaling that the skin barrier is under stress and needs extra moisture to stay flexible. 

5. Spider Veins and Redness 

Those same hormones that increase blood flow can also cause tiny blood vessels to swell. You might notice "spider angiomas"—small, red, star-shaped spots on your face or neck—or find that your palms are suddenly much redder than usual (palmar erythema). These are generally harmless and usually fade shortly after delivery. 

Give Your Skin Some Grace 

It is important to remember that your skin is an organ, and right now, it’s working overtime. Most of these changes are temporary and are simply a byproduct of the incredible biological work you’re doing. 

If you find that your skin is becoming particularly sensitive or reactive, the best approach is usually a "less is more" strategy. Focus on hydration, sun protection, and being patient with yourself. 

References: 

Journal of Integrative Dermatology (2023). Melasma: Comprehensive Management and Integrative Approaches. 

Integrative Management of Melasma. (2022). PMC8884185. Skin Changes and Safety Profile of Topical Products During Pregnancy