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Do Newborn Girls Have Blood?

Published in Newborn Health 2 mins read

Yes, newborn girls do have blood, just like all humans. However, sometimes the question refers to a specific phenomenon: vaginal bleeding in newborn girls.

Here's a breakdown:

  • All Humans Have Blood: Blood is essential for life, transporting oxygen and nutrients throughout the body. Newborn girls are no exception.

  • Vaginal Bleeding (False Menses): It is not uncommon for newborn girls to experience a small amount of vaginal bleeding, often referred to as "false menses".

Why Does Vaginal Bleeding Occur in Newborn Girls?

This bleeding typically starts within the first 2-10 days of life and is caused by the withdrawal of maternal hormones (estrogen) that the baby was exposed to in the womb. During pregnancy, high levels of estrogen circulate in the mother's bloodstream and cross the placenta to the baby. After birth, the baby is no longer exposed to these high levels, leading to a drop in estrogen levels. This sudden drop can cause the baby's uterine lining to shed, resulting in a small amount of vaginal bleeding, similar to a mini-period.

What to Expect:

  • Timing: Usually occurs within the first week or two of life.
  • Amount: The bleeding is typically very light.
  • Duration: It usually lasts for a day or two.
  • Color: The blood may be pinkish or reddish-brown.

When to Consult a Doctor:

While vaginal bleeding in newborn girls is generally normal, it's always best to consult a pediatrician if you have any concerns, especially if:

  • The bleeding is heavy.
  • The bleeding lasts longer than a few days.
  • There are other symptoms, such as fever or signs of infection.
  • You are unsure if the bleeding is normal.

In summary, all newborn girls have blood. Furthermore, the vaginal bleeding that some newborn girls experience is generally a normal physiological response to the withdrawal of maternal hormones and is not a cause for alarm unless accompanied by other concerning symptoms.