Third Trimester Baby Development

  • 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
Accepted Insurances

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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"May-Grant OBGYN and all of the providers are absolutely splendid. The entire experience is all about engaging with you and how they can help address your whole health picture. My questions are always answeered and never rushed."
January, 2023

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