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Baby's development
Month 9
The weight gain for the baby at this point is about a 1/2 a pound a week. The uterus is almost at full capacity, and the baby has dropped down into the pelvic inlet or birth canal. The fetus will shed some of the protective lanugo (fine body hair) and cheese-like skin coating. To assist with getting labor started, the fetus produces high amounts of the hormones - oxytocin, cortisol and prostaglandin - around the time of delivery. These hormones stimulate contractions of the uterus. The average weight is 6-9 pounds and length is 20 or more inches.
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