Hair & Scalp Changes During Pregnancy

Congratulations, You're Pregnant!

Pregnancy is an exciting and life-changing journey. Over the next several months, your body will go through many changes to support the growth and development of your baby.

A typical pregnancy lasts approximately 280 days (40 weeks) and is generally divided into three trimesters:

• First Trimester (Week 0–13)
• Second Trimester (Week 14–27)
• Third Trimester (Week 28–Delivery)

Each trimester brings its own unique physical and hormonal changes — and your hair and scalp are no exception.

Let's explore how your hair and scalp may change throughout pregnancy and what you can expect during each stage.

The Hormones Changes During Pregnancy and Postpartum:

From Article: Chapter 2 - Neurophysiological and cognitive changes in pregnancy

First Trimester (week 0–13)

During the first trimester, your body experiences significant hormonal changes.

Levels of estrogen, progesterone, human chorionic gonadotropin (hCG), and blood volume begin to rise rapidly as your body adapts to pregnancy.

These hormonal fluctuations can affect your scalp in several ways:

Increased Oil Production

Higher hormone levels can stimulate the sebaceous glands, causing your scalp to produce more oil than usual. Some women may notice their hair becoming greasy more quickly.

Increased Scalp Sensitivity

As hormones fluctuate, the scalp may become more reactive and sensitive. Some mothers experience:

• Itchiness
• Redness
• Irritation
• Tenderness

Dandruff and Flaking

Changes in oil production and scalp balance may contribute to increased dandruff, flaking, or scalp buildup.

Scalp Pimples

Excess oil and clogged follicles may lead to scalp acne or small bumps on the scalp.

Not every mother experiences these symptoms, but it is common to notice changes in scalp comfort and oil balance during this stage.

Second & Third Trimester (Week 14–Delivery)

As pregnancy progresses, your body gradually adapts to the hormonal changes.

This is often when many women begin to experience the famous "pregnancy glow."

Fuller, Thicker Hair

Estrogen levels continue to rise and help keep more hairs in the active growth (anagen) phase for a longer period.

As a result:

• Less hair enters the shedding phase
• Daily hair loss decreases
• Hair may appear thicker and denser

Improved Blood Circulation

Blood volume increases significantly during pregnancy, delivering more oxygen and nutrients to the hair follicles.

Many women notice:

• More volume
• Increased shine
• Healthier-looking hair
• Hair that appears fuller and retains length more easily

For many mothers, this is the best period for hair quality during pregnancy.

Why Scalp Care Matters During Pregnancy

Taking advantage of this growth-friendly period by maintaining a healthy scalp environment may help support overall scalp health and create an optimal environment for healthy hair growth.

While healthy scalp care cannot prevent postpartum hormonal shedding, it may help support stronger hair quality and encourage healthier regrowth during the postpartum recovery period.

Delivery & Early Postpartum (Week 0-8)

After delivery, hormone levels begin to decline as your body transitions out of pregnancy.

During the first several weeks postpartum, most mothers do not notice significant changes in their hair.

In fact, the biological process that eventually leads to postpartum shedding may already be occurring internally, but visible hair loss is often not noticeable yet.

Postpartum Hair Loss (Typically Begins Around 2–4 Months Postpartum)

As hormone levels continue returning toward their pre-pregnancy state, many mothers begin to notice increased hair shedding.

Some women may experience:

• More hair in the shower drain
• Increased shedding when brushing
• A wider hair part
• Reduced hair density
• Thinning around the temples or hairline

Why Does Postpartum Hair Loss Happen?

During pregnancy, elevated estrogen levels keep more hairs in the growth phase and delay their normal shedding cycle.

After delivery, estrogen levels gradually decline.

The hairs that were retained in the growth phase during pregnancy begin entering the shedding phase at the same time.

This phenomenon is known as postpartum telogen effluvium and is the primary reason many mothers experience noticeable hair shedding after childbirth.

Although it can feel alarming, this type of hair loss is usually temporary and does not mean permanent hair loss is occurring.

When Does Postpartum Hair Loss Stop?

Hormonal recovery varies from person to person, and may take longer in breastfeeding mothers.

Most mothers notice that postpartum shedding gradually improves between:

• 6–12 months postpartum

As hormone levels normalize and the hair growth cycle rebalances, new hair growth typically begins to appear and hair density gradually recovers.

If significant shedding continues beyond 12 months postpartum, a professional assessment may be beneficial to evaluate potential contributing factors such as iron deficiency, nutritional imbalances, thyroid disorders, or underlying scalp conditions.

Key Takeaways

✔  Increased oiliness, sensitivity, dandruff, and scalp changes are common during the first trimester.

✔  Higher estrogen levels during the second and third trimesters often lead to thicker, fuller, and healthier-looking hair.

✔  Postpartum hair shedding typically becomes noticeable around 2–4 months after delivery and is primarily driven by hormonal changes.

✔  Most postpartum hair loss is temporary and improves within 6–12 months after delivery.

✔  Maintaining a healthy scalp environment during pregnancy and postpartum supports overall scalp health and may encourage healthier hair regrowth during recovery.

Although hormonal changes cannot be completely prevented, mothers can support their scalp and hair health throughout pregnancy and postpartum by:

• Maintaining a balanced, nutrient-rich diet
• Ensuring adequate protein intake
• Monitoring iron levels when recommended by healthcare providers
• Managing stress and prioritizing rest when possible
• Following a consistent scalp care routine
• Seeking professional guidance when experiencing persistent scalp concerns or excessive shedding

This proactive approach helps create a healthier scalp environment and supports the natural hair recovery process after childbirth.