US Medical Term · tests
Amniocentesis
Amniocentesis
In 9 languages
| Language | Term |
|---|---|
| English | Amniocentesis |
| Spanish (Español) | Amniocentesis |
| Chinese (中文) | 羊膜穿刺術 |
| Korean (한국어) | 양수 검사 (양수천자) |
| Vietnamese (Tiếng Việt) | Chọc ối (amniocentesis) |
| Filipino (Tagalog) | Amniocentesis |
| Portuguese (Português) | Amniocentese |
| Thai (ภาษาไทย) | การเจาะน้ำคร่ำ |
| Japanese (日本語) | 羊水検査 |
What it means
Amniocentesis is a prenatal procedure in which a thin needle is inserted through the abdomen into the uterus to withdraw a small sample of amniotic fluid, which contains fetal cells. Ultrasound guidance is used throughout the procedure to direct the needle safely. You may feel pressure or a brief cramping sensation. The test is typically performed between 15 and 20 weeks of pregnancy. The fluid is sent to a laboratory where the fetal chromosomes are analyzed to detect conditions such as Down syndrome, spina bifida, or other chromosomal abnormalities. Results usually take one to two weeks. There is a small risk of miscarriage of less than one percent. Rest is recommended for the remainder of the day.
How to say it
Sentences a patient might use with a doctor, nurse, pharmacist, or insurer:
What is the risk of miscarriage from having an amniocentesis?
¿Cuál es el riesgo de aborto espontáneo al hacerse una amniocentesis?
How long will I need to rest after the amniocentesis procedure?
¿Cuánto tiempo necesitaré descansar después del procedimiento de amniocentesis?
What specific genetic conditions can the amniocentesis detect?
¿Qué condiciones genéticas específicas puede detectar la amniocentesis?
Where you'll see it
Related terms
Sources
Last reviewed: September 2026