In what cases is amniocentesis indicated?

This is an automatically translated article.

The article was professionally consulted by Specialist Doctor I Nguyen Thi Man - Department of Obstetrics and Gynecology - Vinmec Danang International General Hospital. The doctor has more than 10 years of experience in diagnosing, consulting and treating in the field of Obstetrics and Gynecology.
Amniocentesis, also known as amniocentesis, is an obstetric procedure used to break the amniotic fluid, which is performed when the cervix is ​​dilated and the amniotic fluid can be accessed. Amniocentesis helps shorten the labor time, allowing the amniotic fluid to flow out slowly to facilitate labor. When is amniocentesis indicated? What do I need to pay attention to?

1. Indications for amniotomy during labor

Amniocentesis is a very important procedure used in normal labor when the cervix has been dilated and the amniotic sac is accessible. Amniocentesis aims to actively rupture the amniotic membrane to let the amniotic fluid out, thereby reducing the pressure of the amniotic cavity, shortening the labor time, and helping to remove the amniotic sac when it is no longer effective.
Indication for amniocentesis at the right time when the cervix has dilated over 8cm, the amniotic sac is no longer effective, so it is necessary to press the amniotic fluid to prepare for delivery.
Clinically, amniotomy is allowed in the following cases:
Amniotomy when the cervix is ​​fully dilated to prepare for delivery; The cervix has dilated 3-4cm, can reach the amniotic head, the amniotic head is bulging, hindering the delivery; The woman has too thick amniotic fluid, the cervix is ​​not progressing or progressing slowly; Inducing a commanding birth, performing a cephalic pregnancy test or giving birth to a second pregnancy in a twin birth;

Control amniotic fluid pressure in cases of polyhydramnios by pressing the amniotic fluid to let the amniotic fluid flow out slowly; Contraindications of amniotomy when:
In case of not actually in labor, uterine contractions are not regular except for cases of preterm labor; The case of prolapse of the placenta in the amniotic sac; The cases of breech, face and shoulder pregnancy with the cervix not fully dilated; To perform amniotomy, medical facilities are required to have:
Having an operating room to ensure compliance with the standards of the Ministry of Health; Having a full range of supplies and equipment to support neonatal emergencies; Having qualified medical staff as well as practical experience to perform the surgery as safely as possible, closely monitor the mother and fetus during the surgery, timely detect any complications. abnormal changes for appropriate treatment.

2. Complications and notes when amniotomy

Some complications may occur when amniotic fluid is terminated in labor:
Amniotic fluid infection, fetal infection: common in women with gynecological inflammatory diseases or due to amniotomy for more than 6 hours but still not pregnant. go out; It is possible to insert a needle into the fetus causing harm to the fetus; Placental cord prolapse: Discovered after amniocentesis by auscultation. This is also one of the clinical complications that can occur during amniotomy. Immediately after amniotomy, if the pregnant woman has symptoms of placental prolapse, she should immediately lie down with her head low, raise her buttocks high, and then the doctor will use two fingers to push the placenta up. If the placenta cannot be pushed up, it is necessary to immediately appoint a cesarean section; May cause hematoma behind the placenta or placental abruption.
At Vinmec International General Hospital, there is a package maternity service as a solution to help pregnant women feel secure because of the companionship of the medical team throughout the pregnancy. When choosing Maternity Package, pregnant women can:
The pregnancy process is monitored by a team of highly qualified doctors Regular check-ups, early detection of abnormalities The Package Maternity package helps to facilitate convenient for the birthing process Newborns are taken care of comprehensively.

Please dial HOTLINE for more information or register for an appointment HERE. Download MyVinmec app to make appointments faster and to manage your bookings easily.