- Week 27 – Baby’s hair is longer. Eyelashes and eyebrows are noticeable
- Week 28 – Eyes are open and sensitive to light. Baby is approximately 15 inches long and weighs around 3 pounds
- Week 29 – Baby gains about 7 ounces a week
- Week 30 – Taste buds develop. All of baby’s senses are developed
- Week 31 – Vernix (a creamy coating on the skin) and lanugo (fine hairs) begin to disappear. Baby’s head is more in proportion to the body
- Week 32 – Skin is less wrinkled, but baby is still thin. Baby is approx. 18 inches long and weighs about 5 pounds
- Week 33 – Baby’s movements can be seen on the outside of the mother’s abdomen
- Week 34 – Skin is becoming pinker. Baby begins to blink
- Week 35 – Fingernails and toenails have grown to the end of the baby’s fingers and toes
- Week 36 – All organs are mature at this point. Skin is red and smooth. Baby is approx. 19 inches long and weighs about 6 pounds
- Week 37 – Deposits of fat continue to form. Baby is considered full-term
- Week 38 – Baby gains approx. 1 oz a day. Baby may begin to move down into a pelvic area
- Week 39 – Fine hair remains only on arms and shoulders. Fingernails are now beyond the ends of the fingertips
- Week 40 – Baby is fully developed. Baby is approx. 20 inches long, weighs 7-8 pounds
Third Trimester Baby Development
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May-Grant Obstetrics & Gynecology participates with the following insurances. Please note that office copays are due at the time of service and any co-insurances are the responsibility of the patient. Please check with your carrier or call our office at 717-397-8177 for an updated menu of insurance options.
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January, 2023
