Infection during early pregnancy with which of the following can cause fetal death or result in a congenital syndrome that can lead to defects of the brain, heart, eyes, and ears?

The infection during early pregnancy that can cause fetal death or result in a congenital syndrome leading to defects of the brain, heart, eyes, and ears is Rubella (German Measles).

Here are the steps to answer this question:

1. Identify the question: The question is asking about an infection during early pregnancy that can lead to severe consequences such as fetal death or a congenital syndrome causing defects in various organs.

2. Research: Based on medical knowledge and research, Rubella, also known as German Measles, is known to cause such severe effects if a woman contracts the disease during early pregnancy.

3. Answer: Therefore, the answer to the question is Rubella.

Rubella is a contagious disease caused by a virus. Most people who get rubella usually have a mild illness, with symptoms that can include a low-grade fever, sore throat, and a rash that starts on the face and spreads to the rest of the body. However, Rubella can be serious if contracted by pregnant women, especially during the early stages of pregnancy. It can lead to miscarriage, stillbirth, or a series of birth defects known as Congenital Rubella Syndrome (CRS), which includes the defects mentioned in the question.