Question

the first trimester is the most critical time for an embryo or fetus. please select the best answer from the choices provided. o t o f

Explanation:

The first trimester is indeed the most critical time for an embryo or fetus as major organ systems develop, and exposure to teratogens (substances that can cause birth defects) has the highest risk of causing severe developmental issues during this period. So the statement is true.

Answer:

T. The first trimester is the most critical time for an embryo or fetus.