**Core Concept**
Alpha-fetoprotein (AFP) is a major plasma protein produced by the yolk sac and liver during fetal development. Elevated levels of AFP in maternal serum are associated with certain fetal and maternal conditions.

**Why the Correct Answer is Right**
Raised AFP levels are typically seen in cases of fetal anomalies, particularly those affecting the neural tube, such as spina bifida and anencephaly. This is because the abnormal fetal tissue releases AFP into the amniotic fluid, which then crosses the placenta and enters the maternal circulation. The AFP test is commonly used as a screening tool for these conditions during pregnancy.

**Why Each Wrong Option is Incorrect**
**Option A:** Elevated AFP is not typically associated with maternal infections, such as urinary tract infections or upper respiratory tract infections.
**Option B:** While AFP is a tumor marker for certain cancers, such as hepatocellular carcinoma, raised levels are not typically seen in cases of ovarian cancer.
**Option C:** Elevated AFP is not typically associated with normal pregnancy or fetal development.

**Clinical Pearl / High-Yield Fact**
The AFP test is a useful screening tool for fetal anomalies, particularly those affecting the neural tube. However, it is essential to note that a raised AFP level does not necessarily confirm a diagnosis, and further diagnostic testing, such as ultrasound, may be necessary to confirm the presence of a fetal anomaly.

**Correct Answer: C. Elevated AFP is not typically associated with normal pregnancy or fetal development.**