Facebook Instagram Google-plus Youtube Pregnancy Week by WeekChoose your gestational age and learn more about what is happening inside you.FIRST TRIMESTER1 WEEK2 WEEK3 WEEK4 WEEK5 WEEK6 WEEK7 WEEK8 WEEK9 WEEK10 WEEK11 WEEK12 WEEK13 WEEKSECOND TRIMESTER14 WEEK15 WEEK16 WEEK17 WEEK18 WEEK19 WEEK20 WEEK21 WEEK22 WEEK23 WEEK24 WEEK25 WEEK26 WEEK27 WEEKTHIRD TRIMESTER28 WEEK29 WEEK30 WEEK31 WEEK32 WEEK33 WEEK34 WEEK35 WEEK36 WEEK37 WEEK38 WEEK39 WEEK40 WEEK41 WEEK42 WEEK