MECONIUM ASPIRATION SYNDROME (MAS)

While the baby is in the womb, a dark greenish stool accumulates in the intestines. Although the baby does not eat anything in the womb, there is a stool in the intestines. Because secretions in the stomach and intestinal system of the baby, bile secretion, feathers called lanugo, varnish caseosa, mucus and amniotic fluid contribute to the formation of feces called meconium. The baby will normally do this stool on the days after birth. This stool, the baby's first poop, is called "meconium". If the baby swallows this stool at the time of delivery, it is called "meconium aspiration syndrome (MAS)". It is meant that the baby's poop escapes into the trachea and lungs. The presence of meconium in the lungs will cause respiratory distress in the baby after birth. If there is a decrease in the amount of amniotic fluid (oligohydramnios), it will be more dangerous for the fetus as the ammonium in it will get a darker consistency.
Normally, the baby's amniotic fluid is clear and may be mild yellow-white in color. If the baby has drained the intestinal contents (meconium) into the amniotic fluid before birth, the amniotic fluid turns yellow-yellow-brown. When the water pouch is opened, this color change is easily visible. It is not always possible to understand this situation before the water pouch is opened. In some cases, ultrasound diagnosis can be made.
Symptoms:
The skin of the baby born from amniotic fluid with excessive meconium can be monitored completely brown. The baby may have symptoms such as difficulty breathing, impaired heart rhythm, absence of tonus. If the baby is intubated, the meconium pieces in the respiratory tract are cleaned and intensive care treatments are applied. Infiltration areas and atelectasis can be seen on the chest X-ray of the baby.
 Causes of meconıum aspıratıon syndrome (MAS)
- Overdue pregnancy
- Hypoxia, acidosis, impaired heart rhythm in the fetus
- Cord jam
- Compression on the head of the fetus
- Difficult and long births
- IUGR
In births with meconium, the risk of cesarean increases due to fetal distress. In the presence of meconium in the amniotic fluid, an increased risk of postpartum endometritis and amniotic fluid embolism is also observed.
Meconium aspiration syndrome is not observed in every baby born from meconium-infected amniotic fluid. There are no problems in about half of the babies born with meconium.


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