A lady presented to your with a history of recurrent early pregnancy loss. What are the investigations to be ordered:
**Core Concept**
Recurrent early pregnancy loss is a condition characterized by three or more consecutive miscarriages before 20 weeks of gestation. The underlying cause can be attributed to various factors, including hormonal imbalances, anatomical abnormalities, genetic mutations, and autoimmune disorders. A comprehensive diagnostic approach is essential to identify the underlying etiology and provide appropriate management.
**Why the Correct Answer is Right**
In a patient with recurrent early pregnancy loss, the initial investigation should focus on identifying any underlying hormonal or anatomical abnormalities. Thorough evaluation includes a karyotype analysis of both partners to rule out chromosomal abnormalities, thyroid function tests to assess for thyroid dysfunction, and a pelvic ultrasound to evaluate for any uterine abnormalities. Additionally, a complete metabolic panel, including blood counts, liver function tests, and renal function tests, should be obtained to assess for any underlying metabolic or autoimmune disorders. The correct answer is a combination of these investigations.
**Why Each Wrong Option is Incorrect**
* **Option A:** A single serum beta-hCG level is not sufficient for diagnosing the underlying cause of recurrent early pregnancy loss. While it may provide some information, it is not a comprehensive diagnostic tool.
* **Option B:** A single karyotype analysis of the female partner is not sufficient, as it may not detect any underlying chromosomal abnormalities in the male partner.
* **Option C:** A pelvic ultrasound alone may not detect any underlying uterine abnormalities, such as a septate uterus or uterine fibroids, which can contribute to recurrent early pregnancy loss.
**Clinical Pearl / High-Yield Fact**
In patients with recurrent early pregnancy loss, it is essential to evaluate both partners for any underlying chromosomal abnormalities, as these can significantly impact fertility and pregnancy outcomes.
**Correct Answer: A. Thorough evaluation including karyotype analysis of both partners, thyroid function tests, pelvic ultrasound, and complete metabolic panel.**