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This guide is for educational purposes only. Always consult your healthcare provider about your pregnancy weight gain.
Pregnancy Progress
Week 17 of 40 (43%)
5-9.5
lbs gained to date
25-35 lbs
total target
0.8-1
lbs/week rate
+340
cal/day extra
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The fetus is the size of a pear. Fat stores begin developing. The umbilical cord grows stronger.
The anatomy scan (detailed ultrasound) is typically done between weeks 18-22.
Blood volume increases 40-50% during pregnancy. Iron prevents fatigue and anemia.
Fetal skeleton is developing rapidly. Maintain your own bone density.
Critical for fetal brain and eye development. Found in fatty fish or supplements.
Supports calcium absorption and immune function for both mother and baby.
+340 calories per day
During the second trimester, you need about 340 extra calories per day. That is roughly a yogurt with granola and fruit.
Most women can safely exercise during week 17. Walking, swimming, and prenatal yoga are excellent options. Aim for 150 minutes of moderate activity per week. Always consult your healthcare provider first.
Women with lower pre-pregnancy BMI need more weight gain to support a healthy pregnancy. Normal Weight BMI (BMI 18.5-24.9) has a target of 25-35 lbs because this range optimizes outcomes for both mother and baby.
The fetus is the size of a pear. Fat stores begin developing. The umbilical cord grows stronger.
Discuss weight with your provider at every prenatal visit. Seek immediate guidance if you gain more than 3 lbs in one week (may indicate preeclampsia) or if you are losing weight after the first trimester.
FitCommit scans food with your camera and logs calories and macros instantly. Track your nutrition to support a healthy pregnancy. Free 7-day trial.
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