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Third Trimester

Practical guidance for weeks 28 to 40, including sleep, symptoms, and birth preparation.

Best Sleeping Positions in the Third Trimester

Best Sleeping Positions in the Third Trimester

Learn why side sleeping is recommended after 28 weeks, whether the left or right side is better, and what to do if you wake on your back.

Cholestasis of Pregnancy: Itching, Tests, and Birth

Cholestasis of Pregnancy: Itching, Tests, and Birth

Learn why cholestasis causes itching, how bile acids are tested and repeated, what treatment can do, and how fetal monitoring and birth timing are planned.

Group B Strep in Pregnancy: Test, Labor, and Baby

Group B Strep in Pregnancy: Test, Labor, and Baby

Learn when GBS screening is done, what a positive swab or urine result means, how labor antibiotics work, and how newborns are observed.

When Does the Third Trimester Start?

When Does the Third Trimester Start?

The third trimester usually starts at 28 weeks 0 days. Learn why sources differ, what changes before birth, and which tests and warning signs matter.