Crown-to-rump length: Measurement from the top of the baby's head to the buttocks of the baby.
Cystitis: Inflammation of the bladder.
Cytomegalovirus (CMV) infection: Group of viruses from the herpesvirus family.
Crown-to-rump length: The measurement of a baby's size from the top of the head to the buttocks. This measurement is usually used during a first-trimester ultrasound to determine the gestational age of the fetus.
The crown-to-rump length of your growing baby is almost 2.5 inches and she now weighs between 8 and 14 grams! In just three weeks, fetal size has more than doubled and begins to look a lot more human.
Well, besides being as large as a peach now, that big old noggin of hers is now about half the size of her crown-to-rump length (that's one reason why your little peach looks more like an alien from outer space at this point).
Your baby weighs between 0.5 and 0.7 ounce (14 to 20g), and crown-to-rump length is almost 2.5 inches (63mm). Your baby's size has almost doubled in the past 3 weeks.
Week by week: First trimester ultrasound scan pictures: Week 12 ...
 See also: Pregnant, Pregnancy, Due date, Uterus, Ultrasound
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