Related Experiment Videos
How painful are amniocentesis and chorionic villus sampling?
Akos Csaba1, Melissa C Bush, Carl Saphier
1First Department of Obstetrics and Gynecology, Semmelweis University, Budapest, Hungary, H-1088, Hungary.
Prenatal Diagnosis
|December 27, 2005
Summary
Transabdominal chorionic villus sampling (TA-CVS) is the most painful, while transcervical chorionic villus sampling (TC-CVS) is the least painful of the three prenatal procedures. Amniocentesis (AC) falls in between regarding pain levels.
Area of Science:
- Perinatal medicine
- Obstetrics and Gynecology
- Pain management in pregnancy
Background:
- Prenatal diagnostic procedures like amniocentesis (AC), transabdominal chorionic villus sampling (TA-CVS), and transcervical chorionic villus sampling (TC-CVS) are crucial for assessing fetal health.
- Understanding the patient experience, particularly pain and anxiety levels, is essential for informed consent and improved procedural management.
- Previous comparisons of pain and anxiety across these invasive prenatal diagnostic methods are limited.
Purpose of the Study:
- To quantitatively compare the levels of pain and anxiety experienced by women undergoing amniocentesis (AC), transabdominal chorionic villus sampling (TA-CVS), and transcervical chorionic villus sampling (TC-CVS).
- To identify which of these common prenatal diagnostic procedures is associated with the highest and lowest levels of patient-reported pain and anxiety.
Main Methods:
- A prospective study involving 124 women undergoing AC, 40 undergoing TA-CVS, and 24 undergoing TC-CVS for singleton pregnancies.
- Pain levels were assessed using validated numerical and pictorial rating scales.
- Anxiety levels were quantified using a 0-100 numerical scale, with assessments conducted during the procedures.
Main Results:
- Transabdominal chorionic villus sampling (TA-CVS) demonstrated a significantly higher mean pain score (41.4 ± 18.1) compared to transcervical chorionic villus sampling (TC-CVS) (26.4 ± 25.3; p = 0.008).
- Amniocentesis (AC) yielded an intermediate mean pain score (35.1 ± 27.6).
- Higher anxiety levels were correlated with younger maternal age, nulliparity, and increased pain perception during the procedures.
Conclusions:
- All three procedures (AC, TA-CVS, TC-CVS) are generally associated with tolerable levels of pain.
- TA-CVS appears to be the most painful procedure, while TC-CVS appears to be the least painful.
- Specific patient demographics (e.g., younger age, nulliparity) and higher pain levels may be associated with increased anxiety during these prenatal tests.