• Baby’s fingerprints and fingernails are forming.
  • Baby weighs less than 1 ounce and measures about 3 inches from head to heel.
  • Baby practices facial expressions: yawning, squinting, grimacing, furrowing / wrinkling the brow.
  • Nerve and muscle connections have tripled.
  • Baby makes a fist around objects placed in palm (such as the umbilical cord).
10 week old fetus.

10 week fetus. (12 weeks LMP)