Chapter 36, Problem 22A

Summary Introduction

To explain:

The reasons that the greatest amount of harm to an embryo or fetus caused by alcohol or drugs occurs in the first trimester.

Introduction:

Human embryo is the early stage of development. The embryonic development in reproductive animals refers to the part of the lifespan which begins immediately after fertilization.

Explanation of Solution

Alcohol can cause the fetus to have abnormal properties within its first trimester. Growing and difficulties with the central nervous system like birth weight loss, comportment issues, etc. can arise during pregnancy while consuming alcohol. In the first five to ten weeks of pregnancy, if a woman drinks alcohol every week, an increase of 8% in the risk of a miscarriage is associated.

Conclusion

Thus, these are some of the reasons that the greatest amount of harm to an embryo or fetus caused by alcohol or drugs occurs in the first trimester.