Which of the following is NOT a contraindication for a contraction stress test?

• A. Fetal malposition
• B. Breech presentation
• C. Fetal prematurity
• D. Maternal age over 35

Answer: (D)

A contraction stress test (CST) is a procedure used to assess the fetal heart rate response to contractions, which can help evaluate the baby's well-being in relation to the placenta's functionality. Certain conditions can make performing a CST unsafe or inappropriate, thus constituting contraindications.

Maternal age over 35 is not considered a contraindication for a contraction stress test. While advanced maternal age is associated with various obstetric risks, such as chromosomal abnormalities and complications during pregnancy, it does not directly affect the safety of conducting a CST. Other factors, such as fetal condition or maternal health problems, are more crucial in determining whether a CST can be safely conducted.

In contrast, conditions like fetal malposition, breech presentation, and fetal prematurity pose direct risks that could compromise the accuracy or safety of the test. For example, malposition or breech presentation can increase the risk of complications during labor and may not provide reliable outcomes during the test. Similarly, fetal prematurity is a consideration since the test is generally performed at later gestational ages when the fetus is more capable of responding to contractions.

Thus, maternal age over 35 does not preclude the conduct of a contraction stress test, whereas the other options are more directly related to fetal and