Tuesday, June 17, 2008

16 Weeks...

Your babies each weigh just over 3 ounces and measure about 4.5 inches long. You may have an ultrasound scheduled soon which may tell you whether you're carrying boys, girls or both...if you want to know. About two thirds of all twins are fraternal. Half of these pairs are boy/girl; one fourth are girl/girl; and one fourth are boy/boy. Your babies' fingernails and toenails are now fully formed, and internally their urinary tracts and bladders are functioning, emptying about once every hour.

16 weeks...

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*Fat begins to form underneath skin, providing your baby with insulation for the coming months.
*Did you know that both baby and placenta are now about the same size?
*Your little one has reached 4.57 inches (11.6cm) and approximately 3.53 ounces (100gm).
*His head and neck are held straighter now.
*This is a week of "mights!" You might hear the tiny thumps of his heartbeat with an external monitor now. The genitals are developed sufficiently that an experienced sonographer might be able to determine if your baby is a boy or a girl.
*Her heart is pumping as much as 6 gallons of blood a day and beats at a rate about double your heartrate.
*If you could take a peek inside, you would witness your child's reflexes in action!(Sucking, swallowing and blinking are now evident.) She is probably even hiccuping even though you don't feel it yet!
*Your baby has learned to breathe! This is apparent from the regular movements of his chest. Isn't it amazing that he is able to breathe "underwater," inhaling and exhaling small amounts of amniotic fluid? These actions help the lungs to develop and grow.

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