During this week of pregnancy the crown to rump length of the fetus is 0.9 inch to 1.2 inches (22 to 30mm), weight 0.07 ounce (2gm).
http://www.baby2see.com/development/
That sounds about right for a 10 week fetus. The size limits are between 0.9 and 1.2 inches.
In week 9 the fetus begins to develop fingernails and body hair. By week 13 fine hairs begin to grow on the head.
Yes.
From week 38 and/or when he's born he is called a baby.
With some women it can go undiscovered for weeks. Others will expell the fetus right away.
can a 5 week fetus show on an ultrasound
in the placenta they are curled up in a ball, they are about the size of an apple
A baby's weight can sometimes be low because of the age of the mother. All babies grow at different intervals. Most babies will grow the most during the fifth month.
What is normal size of bladder in fetus
Probably over 600 grams (1.3 lbs). Maybe as long as 30 cm (12 inches) stretched out.
No. That's gas.
Average size is now 14.4 inches (36.6cm) and 1.9 pound (875gm).