Stages of Pregnancy 1 st Trimester: 1-3 months ~Heart beat ~Arm and leg buds appear ~Eyes and brain develop ~Embryo is about the size of a BB pellet ~Baby lifts head Fetus- developing human from start of 9 th week until delivery. By the end of 1 st trimester: ~Brain waves detected ~Bones and muscles develop ~Heart, lungs, brain, eyes, arms, and legs have formed

2 nd Trimester: 4-6 months ~Organs develop ~”Kick” is felt ~Sex can be determined ~Fetus can hear and recognize voices ~Hair forms ~Head/Facial features form ~Finger and toe nails grow 3 rd Trimester: 7-9 months ~Fetus develops most of its weight ~By 8 months most fetus’s are 20 inches long ~Brain further develops ~Organs complete ~Fetus can move hand

Mothers’ Development 1 st Trimester: Menstration ceases Breasts begin to get fuller and tender Fatigue, nausea, vomiting Emotional 3 rd month abdomen may enlarge due to bloating 2 nd Trimester: Appetite increases Fetal movement can be detected at end of trimester Forgetful, clumsy Swollen abdomen

3 rd Trimester: Blood volume raises 30-40% Heart beats faster Organs become compressed Breathing becomes difficult Eating is uncomfortable Emotional

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