Postpartum Hair Loss (alopecia)
Many women experience hair loss (alopecia) 1 to 6
months after giving birth. This phenomenon appears to result
from a hormonally mediated change in the cycles of scalp
follicles.
During pregnancy, anagen is prolonged. That is why during
pregnancy, most women experience an increase in hair volume. In
fact, the percentages of anagen hair increase is about 84% in
the first trimester to 94% in the final
trimester.
However, after delivery,
there seems to be a delayed anagen release. Follicles then
enter catagen and then telogen. Increased hair loss (sometimes
called postpartum alopecia) may occur 1-6 months after
childbirth, and may continue for a few months. At this time,
the proportion of hairs in telogen can be as high as 50%,
whereas in late pregnancy it was less than 5%.
Hair loss is mostly in
the frontal and temporal regions, but may also be generalized.
However, it is never total.
The cause is believed to
be due to altered hormonal conditions. Other possible
aggravating factors include psycho-physical trauma, blood loss,
and low plasma protein.
Fortunately, postpartum
hair loss is only a temporary setback for full recovery is
usual in 4-12 months. Studies have shown that the problem tends
to be less severe in subsequent pregnancies.
Preventing hair loss after pregnancy
Since postpartum
alopecia is a temporary condition, most doctors tend to advice
their patients that there is nothing to worry about due to it
being part of the natural postpartum process. So, in terms of
preventing hair loss after pregnancy , the best that can be
done is to try not to exacerbate the condition so that no more
hair loss than necessary occurs. To help maintain your hair
during this period its best to practice proper hair care
(see "hair loss prevention tips" for guidance).
Eating a healthy diet that
includes fresh fruit and vegetables can also play an important
part in trying to maintain the hair. You can get info on the
necessary nutrients for healthy hair from the article "minerals
and vitamins for hair loss".
The most important thing
to remember about postpartum hair loss is not to worry too
much, because it is only a temporary condition and it will
eventually stop. Stress will only make things worst or delay
the recovery process.
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