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3rd Trimester – Changes in your wife’s Body

Author GreatDad Writers
Submitted 07-11-2006

3rd Trimester – Changes in your wife’s Body



Some of the same discomforts your wife had in your second trimester will continue. Plus, many women find breathing even more difficult and notice they have to go to the bathroom even more often. This is because the baby is getting bigger and it is putting more pressure on her organs. Don’t worry, your baby is fine and these problems will lessen once your wife gives birth.


The following aches and pains often appear for the first time during the third trimester:



  • Heartburn

  • Swelling of the ankles, fingers, and face. If you notice any sudden or extreme swelling in your spouse or if she gains a lot of weight really quickly, call your doctor right away. This could be a sign of preeclampsia or toxemia.

  • Hemorrhoids

  • Tender Breasts

  • Trouble Sleeping

As your wife near her due date, her cervix becomes thinner and softer (called effacing). This is a normal, natural process that helps the birth canal (vagina) to open during the birthing process. Your doctor can check your wife’s progress with a vaginal exam.


Weight Gain


Everyone gains weight at different rates. On average, it is normal to gain about one pound per week, or three to four pounds per month, during the third trimester. By the end of the pregnancy your spouse should have gained, on average, about 25 to 30 pounds. About 7 1/2 pounds of that weight should be the baby.