Pregnancy Weight Gain and BMI Recommendations

Pregnancy Tools

Obie Editorial Team

Navigating pregnancy comes with many questions, especially when it comes to managing weight gain and understanding Body Mass Index (BMI). With the right guidance, you can take proactive steps towards a healthy pregnancy. This advice is built on solid scientific recommendations from the Institute of Medicine (IOM) and the American Congress of Obstetrics and Gynecology, tailored to set you up for success.

Guidelines from the CDC are as follows:

  • If your BMI was less than 18.5 before pregnancy, aim to gain 28-40 pounds to support your body's unique needs.
  • For a pre-pregnancy BMI of 18.5-24.9, a gain of 25-35 pounds is considered optimal for a healthy pregnancy progression.
  • If you started your pregnancy with a BMI of 25.0-29.9, it's recommended to aim for a 15-25 pound weight increase.
  • An initial BMI of 30.0 or higher suggests maintaining a weight gain of 11-20 pounds to ensure both your and your baby's health.

Recognizing the diversity in health profiles, here are some updated recommendations for different BMI categories:

  • For a BMI of 30-34.9, a weight gain of 5-15 pounds is advisable.
  • With a BMI of 35-39.9, aim to keep weight gain under 10 pounds.
  • If your BMI is 40 or over, it's recommended not to gain or lose weight, focusing instead on maintaining your current weight.

Remember, these numbers aren't just guidelines; they're a framework for a healthier journey for both you and your baby. Stay informed, stay healthy, and empower yourself with the tools at your disposal. You've got this!