First Trimester: 0-12 weeks, Major fetal organs are formed, Very important to avoid teratogens during this time, Second Trimester: 13-26 weeks, Fetal growth is significant, Considered viable at 22 weeks, May feel flutters, Third Trimester: 26-40 weeks, Fetus rapidly gains weight, Organs mature, Muscle increase in size and strength, Protective fat, skin thicking to control temp, Integration of the nervous system and muscular function,

Significant Fetal Growth by Trimester

Leaderboard

Visual style

Options

Switch template

Continue editing: ?