Pregnancy planning involves consulting with a healthcare provider before or while trying to conceive. This proactive step allows for guidance on practices that support a healthy pregnancy, such as taking folic acid supplements to prevent certain birth defects and making beneficial adjustments to diet and exercise routines.

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During each prenatal stage, there are many factors (e.g., genetic and environmental) that can affect one's development. These may include:
- Prenatal care
- Teratogens

Prenatal Influences

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

Prenatal care consists of the medical supervision provided throughout a pregnancy to monitor the health of both the pregnant person and the fetus. This routine care is vital for reducing the risk of complications. However, a lack of prenatal care can pose significant health risks, and access to this care is not equitably distributed across all populations or geographic locations.

Prenatal Care

Pregnancy Planning

A teratogen is any environmental agent—whether biological, chemical, or physical—that can cause damage to a developing embryo or fetus. Exposure to teratogens is particularly harmful during critical or sensitive periods of prenatal development.

Teratogen

Consider two pregnant individuals. Individual A receives regular medical check-ups, maintains a nutrient-rich diet, and avoids all known harmful substances throughout her pregnancy. Individual B, unaware she is pregnant for the first two months, continues to consume alcohol regularly and is exposed to a significant viral infection during that time. Based on general principles of prenatal development, compare the potential developmental risks for the two fetuses. In your analysis, explain why one fetus faces a greater risk of developing structural abnormalities and justify your reasoning by discussing the relationship between the timing of an exposure and its potential impact.

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