Understanding Lab Tests for Infertility
Written by Private MD Labs Medical Writing Team • Last Updated: September 8, 2025
Infertility affects millions of couples worldwide and is defined as the inability to conceive after one year of regular, unprotected intercourse. While infertility itself is diagnosed through clinical evaluation and medical history, blood tests play a crucial role in identifying underlying hormonal imbalances, infections, and other factors that may be contributing to fertility challenges.
Top Recommended Test
Follicle-Stimulating Hormone (FSH)
FSH is essential for reproductive function in both men and women. In women, FSH stimulates the growth and maturation of eggs, while in men, it's necessary for sperm production. Both abnormally low and high FSH levels can contribute to infertility by disrupting these critical reproductive processes.
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The Role of Blood Testing in Infertility Evaluation
Blood tests are fundamental in the infertility workup because they can reveal hormonal imbalances that affect ovulation, sperm production, and the ability to maintain a pregnancy. Additionally, certain infections can impact fertility, making comprehensive testing essential for developing an effective treatment plan.
Other Relevant Tests
Progesterone
Progesterone is crucial for preparing and maintaining the uterine lining for embryo implantation. Insufficient progesterone levels during the luteal phase can prevent proper implantation of a fertilized egg, making this test vital for evaluating potential causes of infertility in women.
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Trichomonas vaginalis RNA, Qualitative, TMA (Female)
Trichomonas vaginalis is a sexually transmitted infection that can cause fertility complications in women when left untreated or becomes chronic. This test detects the presence of the parasite's RNA, helping identify infections that could be contributing to fertility issues.
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Trichomonas vaginalis RNA, Qualitative, TMA (Male)
In men, Trichomonas vaginalis infection can lead to infertility by damaging sperm and reducing their ability to fertilize an egg. This test is important for identifying infections that may be affecting male fertility and sperm quality.
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Understanding Your Results
Infertility testing often requires multiple tests and may need to be repeated at specific times during the menstrual cycle for women. Your healthcare provider will interpret these results in the context of your complete medical history and may recommend additional testing or treatments based on the findings.
Important Considerations
The information here is for educational purposes only and is not a substitute for professional medical advice. Always consult with a healthcare provider or fertility specialist for proper diagnosis, interpretation of test results, and treatment recommendations.
