Written by

Roxanne Albert, BSN, RNC-OB

May 1, 2026

Pregnancy Skin Changes Explained: Stretch Marks, Hyperpigmentation, Varicose Veins & Itchy Rashes

Medical, Motherhood, Podcast, Pregnancy

Pregnancy brings incredible changes to your body—and your skin is no exception.

From the sudden appearance of stretch marks to dark patches of skin, itchy bellies, spider veins, and unexpected rashes, skin changes during pregnancy are incredibly common. While many of these shifts are simply a normal response to hormonal changes and your growing baby, others may signal that it’s time to check in with your healthcare provider.

Understanding what’s typical (and what deserves further evaluation) can help you feel more confident navigating these changes during pregnancy.

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Why Does Pregnancy Affect Your Skin?

Your body undergoes major transformations during pregnancy, including:

Rapid hormonal shifts, especially increased estrogen and progesterone
Increased blood volume, which supports your growing baby
Physical stretching of the skin as your abdomen, breasts, and hips expand
Heightened skin sensitivity, including increased sensitivity to sunlight

These physiological changes often show up on your skin in noticeable ways.

Some changes are purely cosmetic. Others can cause discomfort, especially itching. And in some cases, certain skin symptoms can indicate an underlying condition that needs medical attention.

Common and Normal Skin Changes During Pregnancy

1. Hyperpigmentation: Why Your Skin May Darken

Hyperpigmentation refers to patches or areas of skin becoming darker during pregnancy.

You may notice:

Darkening around the nipples
A dark vertical line down the abdomen (called the linea nigra)
Freckle-like dark spots
Darkened scars or moles
Melasma (“the mask of pregnancy”) on the face

This happens because pregnancy hormones stimulate increased melanin production.

How to Manage Hyperpigmentation

While you can’t completely prevent it, you can reduce worsening by:

Using daily sunscreen (SPF 30+)
Pregnancy increases sun sensitivity, which can intensify pigmentation.

Wearing protective clothing and hats

Avoiding excessive direct sun exposure

Most hyperpigmentation fades postpartum, though some areas may linger.

When to Check In

Reach out to a dermatologist or provider if:

Darkening appears suddenly over large areas
You notice rapid changes in moles or pigmented spots
Skin changes appear unusual or concerning

2. Vascular Changes: Spider Veins and Varicose Veins

Pregnancy increases blood volume dramatically, placing more pressure on your circulatory system.

This can lead to:

Spider veins
Varicose veins
Swollen veins in the legs
Vulvar varicosities (varicose veins in the vulva)

These changes are often more noticeable later in pregnancy.

Why They Happen

Several factors contribute:

Increased blood volume
Hormonal relaxation of blood vessel walls
Pressure from the growing uterus
Reduced circulation from prolonged standing or sitting

How to Reduce Discomfort

Support circulation with:

Compression socks or thigh-high compression stockings

Frequent walking and movement

Avoiding prolonged standing

Avoiding crossing your legs while sitting

Prenatal massage

Even simple position changes throughout the day can help reduce blood pooling.

3. Stretch Marks: The Change Everyone Wonders About

Stretch marks are one of the most talked-about pregnancy skin changes.

They most commonly appear on:

The abdomen
Breasts
Hips
Thighs

They often begin as:

Purple
Pink
Red

Over time, they typically fade to:

White
Silver
Lighter skin-toned streaks

Can You Prevent Stretch Marks?

This is probably the most frequently asked question.

The short answer: there is no proven way to prevent stretch marks during pregnancy.

Despite marketing claims, there’s no strong evidence that cocoa butter, belly balms, specialty oils, and stretch mark creams can reliably prevent them.

What Actually Influences Stretch Marks?

Stretch mark development is multifactorial and may depend on:

Genetics
Some people are simply more predisposed.

Collagen structure

Hydration levels

Rate of growth

Baby size and abdominal stretching

You can do everything “right” and still develop stretch marks.

And importantly: this isn’t a reflection of how well you cared for your skin.

What Helps?

Even if moisturizers don’t prevent stretch marks, they can absolutely help with comfort.

Applying lotions, oils, or belly balms can:

Relieve itchiness
Reduce skin tightness
Improve hydration
Provide temporary soothing relief

Postpartum, treatments like retinoids, laser therapy, and dermatologic procedures may help reduce appearance—but these are not recommended during pregnancy.

Pregnancy Itching: Normal or Something More?

Itching is one of the most common skin complaints during pregnancy.

Sometimes it’s simply due to:

Skin stretching
Dryness
Increased sensitivity

Other times, it may signal a specific pregnancy-related skin condition.

Here’s how to tell the difference:

Common Pregnancy Rashes

PUPPP Rash (The Most Common)

PUPPP stands for:

Pruritic Urticarial Papules and Plaques of Pregnancy

Yes, it’s a mouthful.

It typically appears as:

Red, raised bumps
Hive-like patches
Intensely itchy areas

Usually found on:

Belly
Thighs
Buttocks

A hallmark feature: it usually spares the belly button area.

It often begins in stretch marks during the third trimester.

Is It Dangerous?

No.

PUPPP is uncomfortable for you—but harmless for baby.

Treatment Options

Your provider may recommend:

Topical steroid creams
Antihistamines (like Benadryl, if appropriate)
Cold compresses
Moisturizers

Atopic Eruption of Pregnancy

This rash often resembles eczema.

It can occur:

In the first or second trimester
Anywhere on the body

Symptoms include:

Dry patches
Redness
Itching
Widespread irritation

Like PUPPP, it does not pose risks to baby.

Treatment usually includes:

Moisturizers
Steroid creams
Cooling measures

Itching That Needs Immediate Attention

Some pregnancy itching or rashes are more serious and should never be ignored.

1. Itchy Palms and Soles (Possible ICP)

If you experience intense itching on:

The palms of your hands
The soles of your feet

especially without a visible rash, contact your provider promptly.

This may indicate Intrahepatic Cholestasis of Pregnancy (ICP), a liver-related condition that requires medical evaluation.

ICP can increase pregnancy risks and requires close monitoring.

2. Rash Around the Belly Button

If a rash:

Starts at the belly button
Is intensely itchy
Spreads outward
Develops blisters

this may indicate pemphigoid gestationis, a rare autoimmune pregnancy rash.

This condition can increase risks such as:

Preterm birth
Growth restriction

It usually requires:

Medical evaluation
Dermatology referral
Specialized treatment

3. Painful Blisters or Pustules with Fever

This is uncommon but serious.

Painful pustules or widespread rash accompanied by:

Fever
Body aches
Feeling generally unwell

may suggest pustular psoriasis of pregnancy, which needs urgent medical care.

When Should You Contact Your Provider?

Reach out if you experience:

✓ Itching of palms or soles
✓ Rash involving the belly button
✓ Painful blisters
✓ Fever with rash
✓ Rapidly spreading skin changes
✓ Severe itching interfering with sleep
✓ Any rash you’re unsure about

When it comes to pregnancy symptoms, it’s always better to ask.

A quick evaluation can provide reassurance—or identify something that needs treatment.

Caring for Your Skin During Pregnancy

Simple ways to support skin health:

Stay Hydrated

Hydrated skin stretches more comfortably.

Moisturize Daily

Helps reduce tightness and itching.

Wear Sunscreen

Protects against worsening hyperpigmentation.

Support Circulation

Compression socks and movement help prevent vascular discomfort.

Pay Attention to New Symptoms

Changes are expected—but unusual symptoms deserve attention.

The Bottom Line

Pregnancy skin changes are incredibly common.

You may experience:

Hyperpigmentation
Stretch marks
Spider veins
Itching
Rashes

Most are completely normal and simply reflect the extraordinary work your body is doing to grow your baby.

That said, certain symptoms—especially severe itching, rashes involving the belly button, or painful blistering—should always be discussed with your provider.

Your skin is giving you information. Listening to it is part of caring for yourself during pregnancy.

And remember: every stretch mark, color change, and shifting contour is evidence of your body adapting in remarkable ways.