Maternal and child nutrition observatory
Weight gain
Body weight during pregnancy is a modifiable risk factor to prevent adverse events, so according to the body mass index (BMI), the desirable weight gain during pregnancy is:
| BMI | Weight gain |
|---|---|
| Women with normal BMI | 11.35 to 15.89 Kg |
| Women with low BMI | 12.5 to 18.0 Kg |
| Women with very high BMI | 4.00 to 9.0 Kg |
| Women with high BMI | 6.81 to 11.35 Kg |
Source: Norma Oficial Mexicana NOM-007-SSA2-2016. For the care of women during pregnancy, childbirth and puerperium, and of the newborn.
NOM-007-SSA2-2016 states:
- IMC bajo <18.5 Kg / m2
- IMC alto 25 a <30 Kg / m2
- Very high BMI 30 Kg / m2 or more
- In adolescents, the upper limit of desirable gain is recommended.
- En mujeres pequeñas (<1.50m) se recomienda el límite inferior de la ganancia deseable.