Fetal Development

Fetal Development

Author: Aaron Mullally

This lesson will identify how a fetus develops during the second and third trimesters of pregnancy.

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Terms to Know
  • Second Trimester

    Marks the start of the 4th month until the end of the 6th month of pregnancy in which the fetus continues to develop as organs and organ systems mature.

  • Third Trimester

    Marks the 7th month of pregnancy until birth, and is characterized by the continued development of the fetus as it prepares for birth.