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Postpartum Term

Meconium

Last updated: June 2026

Definition

The dark green, tar-like first stool of a newborn baby, which is sometimes passed into the amniotic fluid before birth due to fetal stress.

Clinical Context

In obstetrics and maternal healthcare, terms like Meconium represent key anatomical, physiological, or developmental parameters monitored during gestation, labor, and the postpartum stages. Understanding these terms empowers parents to converse with doctors, interpret ultrasound reports, and track fetal progress.

Medical Notice: This term definition is for educational and planning purposes only. It is not medical advice. If you have any clinical questions or concerns about meconium in your own pregnancy, consult your obstetrician or health team immediately.

Term FAQs

What is the definition of Meconium?

In pregnancy and obstetrics, Meconium is defined as: The dark green, tar-like first stool of a newborn baby, which is sometimes passed into the amniotic fluid before birth due to fetal stress.

What category does the term Meconium belong to?

The term Meconium belongs to the Postpartum category of pregnancy and neonatal health terminology.

Why is understanding Meconium important?

Understanding Meconium helps expectant mothers and partners make sense of medical reports, doctor consultations, and gestational developments.

Related Terms

Apgar Score

A quick clinical evaluation performed at 1 and 5 minutes after birth to assess a newborn's physical condition across heart rate, breathing, muscle tone, reflexes, and skin color.

Bilirubin

A yellow substance created when old red blood cells break down; high levels in newborns can cause neonatal jaundice.

Colostrum

The thick, yellowish first milk produced by the breasts late in pregnancy and just after birth, highly rich in antibodies and nutrients.
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