Postpartum Hair Loss: Are Twins, Closely Spaced Births, and Larger Families More Severe?

When hair starts falling out after childbirth, many people have similar thoughts.

I’ve heard postpartum hair loss is something everyone goes through,

so why does mine seem especially severe?

People say it gets better with time,

so why isn’t it recovering well?

These questions become even stronger for mothers who have had closely spaced births, or who are raising twins or multiple children. It feels like my body is under too much strain to call this the same thing as “postpartum hair loss.”

Postpartum hair loss is less of an illness and more of a change that appears as the body tries to find its balance again after the major event of childbirth.

But not everyone recovers under the same conditions. It is worth calmly looking at where this difference comes from.

Postpartum Hair Loss: Are Twins, Closely Spaced Births, and Larger Families More Severe? Summary

Postpartum hair loss is a form of telogen effluvium that begins around 2–3 months after childbirth, and it is a common change after the physiological stress of pregnancy and delivery¹²³.
In cases of closely spaced births or twin/multiple pregnancies, hair loss may be more severe or recovery may be delayed because of iron depletion and insufficient recovery time⁶⁷⁸.
During postpartum hair loss, underlying hair loss conditions such as female pattern hair loss or traction alopecia may become noticeable⁴⁵.
In particular, iron-deficiency anemia, sleep deprivation, and long-term breastfeeding are known factors that can worsen postpartum hair loss⁹¹².
If hair loss lasts longer than 1 year or the pattern changes, additional medical evaluation is needed⁴⁵.

How does postpartum hair loss begin?

During pregnancy, hormones keep hair in the growth phase for a longer time.

That is why many people feel as if they have more hair during pregnancy.

After childbirth, this balance returns to normal. Hair that had been holding on without falling out begins to shed all at once around 2–3 months after delivery¹²³.

That is the typical course of postpartum hair loss.

For most people, it gradually recovers over time¹². But in the clinic, we often meet people who feel this process is unusually difficult.

It is not simply “because of hormones.”

What matters is whether there was time for recovery. People often think that if they had closely spaced births or gave birth to twins, it is because the hormonal changes were larger. But in reality, what matters more than the size of the hormonal change is whether the body had room to recover.

In twin pregnancies, the amount of iron needed during pregnancy increases significantly. In fact, multiple studies have repeatedly confirmed that iron deficiency and anemia are more common in mothers with multiple gestations⁶⁷⁸.

By the time postpartum hair loss begins, it is often after the body’s stored iron has already been substantially depleted through pregnancy and childbirth⁹. If recovery is not sufficient in this state, hair is the first to be affected.

Why closely spaced births are unfavorable for hair recovery

The key problem with closely spaced births is that another pregnancy begins before recovery is complete.

After childbirth, not only iron and folate status, but also sleep rhythm and physical strength, need time to recover gradually. But if pregnancy and childbirth happen again before that process is complete, the body returns to a state of constant consumption¹⁰¹¹.

At that time, tissues that are maintained when there is enough reserve, such as hair, are the first to become unstable.

When postpartum hair loss reveals other hair loss conditions

Postpartum hair loss does not always appear on its own. When the body is already very exhausted, it is not uncommon for it to reveal other problems as well.

If female pattern hair loss was already slowly progressing, or if someone naturally had weaker hair, postpartum hair loss can make the change much more noticeable⁴⁵.

That is why for some people, “just wait and it will get better” may not be enough.

Sleep deprivation and the realities of childcare also cannot be ignored

With closely spaced births or twins,

it is hard to sleep deeply, and stress easily builds up.

Long-term breastfeeding and situations such as preterm birth have also been reported as factors that can prolong postpartum hair loss¹². When all of these factors overlap, hair loss can naturally feel more severe.

What to check first

When hair loss starts, many people change shampoos, increase supplements, and begin scalp care.

But at this stage, it is more important to reduce the factors that interfere with recovery than to add new things.

● The habit of tying hair tightly

● Excessive scalp stimulation

● Frequent care due to anxiety

And after childbirth, iron-deficiency anemia is common, and the likelihood is even higher in cases of multiple gestation or consecutive pregnancies⁶¹³.

It can be confirmed with a basic blood test alone⁹.

Situation	Features	Points to check
Typical postpartum hair loss	Starts 2–3 months after childbirth, then gradually decreases	Observe the course
Closely spaced births	Delayed recovery	Recovery time, sleep
Twins or multiple children	Hair loss feels more severe	Iron, anemia
Lasting more than 1 year	Change in pattern	Whether other hair loss conditions are present

Most postpartum hair loss is a passing process¹². But in cases of closely spaced births, twins, or multiple children, there are overlapping conditions that can leave hair more exhausted first.

Based on the timing of childbirth and the onset of hair loss, first calmly check whether you are currently in the typical course of postpartum hair loss. And it is necessary to organize, one by one, the factors that interfere with recovery.

If hair loss continues for close to a year, or the pattern is changing, such as the part at the crown gradually widening, don’t just endure it because it is “postpartum”; it is better to also look into whether other causes are overlapping⁴⁵.

Rather than trying to hold on to the hair itself, create an environment in which the body can recover now. That is the most effective response at this time.

It is time for hairhair, Kim Jin-oh.

Filsaengsinmo (必生新毛).

Written by: Kim Jin-oh, New Hair Plastic Surgery (Public Relations Director, Korean Society of Plastic and Reconstructive Surgeons / Academic Director, Korean Society for Laser Dermatology and Hair Restoration)

References

• Samrao, A. (2022) Postpartum Telogen Effluvium Unmasking Traction Alopecia. Skin Appendage Disorders.

• cited:"Telogen effluvium (TE) is diffuse hair shedding that begins 2–3 months after an exposure or trigger such as childbirth."

• Yin, G.O.C. et al. (2021) Telogen effluvium – a review of the science and current understanding. Journal of Dermatological Science.

• cited:"Telogen effluvium is usually precipitated by physiological stress including pregnancy and delivery."

• Malkud, S. (2015) Telogen Effluvium: A Review. International Journal of Trichology.

• cited:"Abrupt onset of diffuse hair loss is usually seen 2–3 months after a triggering event."

• Galal, S.A. et al. (2024) Postpartum Telogen Effluvium Unmasking Additional Latent Hair Loss Disorders. Journal of Clinical and Aesthetic Dermatology.

• cited:"Postpartum telogen effluvium can unmask underlying female pattern hair loss."

• Samrao, A. (2022) Postpartum Telogen Effluvium Unmasking Traction Alopecia. Skin Appendage Disorders.

• cited:"Telogen effluvium can unmask the presence of underlying traction alopecia."

• Ru, Y. et al. (2016) Iron deficiency and anemia are prevalent in women with multiple gestations. The American Journal of Clinical Nutrition.

• cited:"Iron deficiency and anemia are highly prevalent in women with multiple gestations."

• Wawer, A.A. et al. (2025) Ferric carboxymaltose for iron deficiency in twin pregnancies. Journal of Obstetrics and Gynaecology Research.

• cited:"Iron demand is markedly increased and anemia prevalence is higher in twin pregnancy."

• Townsend, K. et al. (2024) Maternal hemoglobin drop in twin pregnancy. Acta Obstetricia et Gynecologica Scandinavica.

• cited:"Twin pregnancy is associated with a larger maternal hemoglobin drop."

• DermNet NZ (2023) Telogen effluvium.

• cited:"Temporary hair loss due to excessive shedding following a shock to the system."

• American College of Obstetricians and Gynecologists (ACOG) (n.d.) Planning Your Next Pregnancy.

• cited:"The most benefits come from waiting at least 18 months to get pregnant again."

• World Health Organization (2007) Report of a WHO Technical Consultation on Birth Spacing.

• cited:"Recommended intervals between a live birth and the next pregnancy."

• Hirose, A. et al. (2023) Investigation of exacerbating factors for postpartum hair loss. Journal of Obstetrics and Gynaecology Research.

• cited:"Long-term breastfeeding and preterm labor were associated with postpartum hair loss."

• Petraglia, F. et al. (2024) Iron deficiency anemia in pregnancy and postpartum.

• cited:"Pregnancy and postpartum hemorrhage are important causes of iron deficiency anemia."

[This post is written directly by a board-certified plastic surgery specialist for informational purposes in accordance with Article 56, Paragraph 1 of the Medical Service Act. Hair transplant surgery and treatment may have side effects, and you should make a careful decision after consulting with a specialist.]

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