关于本计算器
IOM-recommended pregnancy weight gain range and weekly rate from pre-pregnancy BMI.
孕期增重
按孕前BMI的增重范围。
输入计算参数
计算结果摘要
建议增重11.5–16 kg
孕前 BMI22.0 · 正常健康体重 (18.5 - 24.9)
每周增重0.42
常见问题
BMI bands?
Under 18.5: 12.5–18 kg; 18.5–25: 11.5–16; 25–30: 7–11.5; 30+: 5–9.
Weekly rate?
Second/third trimester pace: 0.51 / 0.42 / 0.28 / 0.22 kg per week.
Twins?
Ranges run higher — ask your doctor for twin-specific targets.