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This guide is for educational purposes only. Always consult your healthcare provider about your pregnancy weight gain.
Pregnancy Progress
Week 39 of 40 (98%)
14.5-23.4
lbs gained to date
15-25 lbs
total target
0.5-0.7
lbs/week rate
+450
cal/day extra
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The fetus is the size of a small watermelon. About 7.25 pounds. Considered early term.
Many babies are born between 39-40 weeks. Early term labor is common.
Prevents anemia before delivery. Supports oxygen delivery to the growing baby.
The fetal brain triples in size during the third trimester. DHA is essential.
Fetal bone hardening requires significant calcium. Continue supplementing.
Supports blood clotting for delivery. Found in leafy greens.
+450 calories per day
During the third trimester, you need about 450 extra calories per day. The baby is gaining weight rapidly.
If you are gaining more than the recommended 15-25 lbs for Overweight BMI, talk to your provider. Focus on nutrient-dense foods, regular gentle activity, and avoid restricting calories without medical guidance.
If your gain is below the 15-25 lb range for Overweight BMI by week 39, discuss it with your provider. Inadequate gain can affect fetal growth. Small, frequent, calorie-dense meals may help.
Most women can safely exercise during week 39. 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. Overweight BMI (BMI 25-29.9) has a target of 15-25 lbs because this range optimizes outcomes for both mother and baby.
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