Your 3rd trimester starts during your 7th month of pregnancy, on week 28.

What happens during week 25 - 26?

  • The fetus has a CRL of about 9 inches (23 cm).

  • The fetus develops more and more fat from now until the end of pregnancy.

What happens during week 27 - 28?

  • The fetus has a CRL of about 10 inches (25 cm).

  • Eyelids are usually fused together until about 28 weeks.

What are the symptoms of pregnancy in the seventh month?

Your uterus continues to expand when you’re 7 months pregnant. Back pain is common. Pregnancy symptoms from earlier months continue. Dizziness may lessen.