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The Daily Insight

How much weight should you gain by 13 weeks of pregnancy?

Author

Christopher Pierce

Updated on March 02, 2026

While the majority of the pounds will make their appearance during the second and third trimester, there’s some initial weight gain that will happen in the first 12 weeks of pregnancy. In fact, on average, people gain 1 to 4 pounds in the first trimester — but it can vary.

How many pounds should you gain by 12 weeks?

During your first 12 weeks—the first trimester—you may gain only 1 to 5 pounds or no weight at all. In your second and third trimesters, if you were a healthy weight before pregnancy, you should gain between half a pound and 1 pound per week.

Is it normal to not gain weight at 13 weeks pregnant?

A lack of weight gain is usually perfectly normal in the first trimester. Tiny fetuses have tiny nutritional needs. The same isn’t true if you’re falling short of your recommended weight gain by the second trimester. As your baby gets bigger, calories and nutrients will be increasingly in demand.

How much weight should you have gained by 14 weeks pregnant?

Pregnancy weight gain by trimester If you’re starting pregnancy at a healthy weight, expect to gain 1 to 5 pounds in the first trimester and about 1 pound per week for the rest of your pregnancy.

How much is too much weight gain in first trimester?

Though weight gain will vary, most women gain about 1 to 4 pounds total during the first trimester….Weight gain guidelines.

If your BMI before pregnancy was:You should gain about:
18.5–24.9 (normal weight)25–35 pounds
25–29.9 (overweight)15–25 pounds

How many pounds should you gain in the second trimester?

Second trimester: During the second trimester weight gain should be steady, averaging around 1 pound a week for the rest of the pregnancy. This comes to around 11 to 13 pounds in the second trimester.

How much weight should I have gained by 14 weeks pregnant?

What size is my uterus at 13 weeks?

Their organs are fully formed now and will continue to grow. You may be able to tell the baby’s sex this week with high-resolution ultrasound! Mom-to-be: Your uterus can probably be felt about 3 to 4 inches below your navel.

Is it normal to gain weight at 13 weeks pregnant?

13 Weeks Pregnant Weight Gain. Weight gain during pregnancy should be slow and steadyd When you are 13 weeks pregnant, weight gain is not necessarily that of the baby alonen The pounds you add on could be due to blood volume, water retention, breasts, placenta and amniotic fluidi You should put on weight during your pregnancyc Obese women need…

Is it normal to gain 10 pounds in the third trimester?

Third trimester: Baby’s weight will pick up steam, but yours may start to taper off for a net gain of about 8 to 10 pounds. Some women find their weight holds steady or even goes down during the ninth month, when ever-tighter abdominal quarters can make finding room for food a struggle.

How much weight should you gain during each week of pregnancy?

Read on for more about how much weight to gain during each week and trimester of pregnancy. You may have heard that you should gain 25 to 35 pounds while you’re pregnant. But that range is for people whose body mass index (BMI) falls into the “normal weight” category before pregnancy.

What is the average size of a baby at 13 weeks?

During pregnancy week 13 the baby will have grown to 7 cms in length and. read more… What’s The Ideal 25 Weeks Pregnancy Weight? What’s The Ideal 16 Weeks Pregnancy Weight? What’s The Ideal 22 Weeks Pregnancy Weight? What’s The Ideal 28 Weeks Pregnancy Weight? Continued…