18 Weeks Gestation

18 weeks

  • The arms and legs begin to punch and kick.
  • The fingernails are well formed.
  • The unborn child can suck its thumb.
  • Taste buds are present.
  • Male or female gender is evident.
  • A protective waxy coating is present on the skin.
  • The length is about 5 to 6 inches.

© 2003 Texas Department of Health. All rights reserved. Photos: Lennart Nilsson / Albert Bonniers Forlag AB, A Child Is Born, Dell Publishing Company. Used by permission.

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Last updated December 5, 2012