At 27 weeks pregnant, you are at the end of the second trimester and about to enter the third trimester. Some pregnancy calendars count this week as the start of the third trimester, while others switch at 28 weeks.
This week follows 26 weeks pregnant and leads into 28 weeks pregnant. If you want to compare dates, you can also use the pregnancy calculator.
The baby is growing fast and may be around 35-38 cm long, with weight often close to 900-1000 grams. These numbers are estimates, so ultrasound and clinical measurements matter more than a general guide.
Movement is usually more obvious now, and the baby may have a clearer sleep-wake rhythm. The brain is busy developing, the lungs are practising breathing movements, and the baby can respond more strongly to familiar sounds.
At this stage the body is becoming rounder as fat stores increase, and the skin is starting to look less wrinkled. Hearing continues to improve, and many parents notice stronger reactions to light, voice or sudden noise.
Shortness of breath, leg cramps, back pain, heartburn and sleep problems are common as the uterus grows. You may also notice pelvic pressure or leaking urine with coughing, laughing or exercise.
Some care systems start discussing third trimester planning now, including birth classes, childcare leave, hospital bag basics and how to recognise labour signs. If you have a higher-risk pregnancy, your clinician may also talk about extra checks or monitoring.
Seek medical advice promptly if you have regular painful contractions, bleeding, fluid leakage, severe headache, vision changes or sudden swelling. Those symptoms need urgent assessment.
Third trimester is the final phase of pregnancy, usually counted from around 28 weeks in many systems, although some calendars start at 27 weeks.
Labour signs include regular contractions, waters breaking and other changes that may mean birth is getting closer.
Preterm means birth before 37 completed weeks of pregnancy.
At 27 weeks pregnant, you are at the end of the second trimester and about to enter the third trimester. Some pregnancy calendars count 27 weeks as the start of the third trimester.
Twenty-seven weeks pregnant is often described as about 6 months pregnant, but weeks are more accurate than months for pregnancy dating.
Size estimates vary, but the baby is often around 35-38 cm long and weighs close to 900-1000 grams. Your ultrasound or clinical measurements are more useful than averages.
Mild shortness of breath can be normal as the uterus gets larger and presses upward. If breathing becomes sudden, severe or painful, seek medical advice.
Yes. Leg cramps, Braxton Hicks and sleep disruption are common around this time. Regular painful contractions, bleeding or fluid leakage should be checked promptly.
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