What are the definitions and stages of prenatal development?
Understand the Problem
The text provides definitions and explanations related to prenatal development, including concepts of gametes, reproduction, fertilization, and stages of development. It summarizes the processes involved in human reproduction and the stages of prenatal development.
Answer
The stages are germinal, embryonic, and fetal.
The three stages of prenatal development are germinal, embryonic, and fetal. The germinal stage occurs from conception to about 2 weeks, the embryonic stage from 2 to 8 weeks, and the fetal stage from 9 weeks until birth.
Answer for screen readers
The three stages of prenatal development are germinal, embryonic, and fetal. The germinal stage occurs from conception to about 2 weeks, the embryonic stage from 2 to 8 weeks, and the fetal stage from 9 weeks until birth.
More Information
Prenatal development is key to understanding how various factors can affect growth before birth, and recognizing these stages helps in monitoring health and development during pregnancy.
Tips
Avoid confusing the prenatal stages with the three trimesters of pregnancy which are based on timeframes and not on developmental changes.
Sources
- 3 Prenatal Development Stages - Verywell Mind - verywellmind.com
- Prenatal Development – Parenting and Family Diversity Issues - iastate.pressbooks.pub