A diagnostic test commonly used to assess problems of the fallopian tubes is:

A hysterosalpingogram is a specialized imaging technique used to evaluate the patency of the fallopian tubes and check for any abnormalities in the uterus. During this test, a radiopaque dye is injected through the cervix into the uterus, allowing the healthcare provider to visualize the fallopian tubes on X-ray images. If the dye successfully flows through the tubes, it indicates they are open and functioning properly, which is crucial for fertility, as blockages can impede the passage of sperm or eggs.

This test is particularly beneficial for diagnosing conditions that could lead to infertility, such as pelvic inflammatory disease, endometriosis, or scarring from previous surgeries. The detailed imaging provides valuable insights into the reproductive anatomy, which other tests may not be able to offer.

In contrast, an endometrial biopsy focuses on the lining of the uterus rather than the fallopian tubes, while ovarian reserve testing assesses the quantity and quality of a woman's eggs rather than the condition of the tubes. Screening for sexually transmitted infections is important for reproductive health, but it does not specifically assess the status of the fallopian tubes. Thus, the hysterosalpingogram is the most appropriate diagnostic test for evaluating any issues related directly to the fallopian tubes.