Fetal development of the baby at three months of pregnancy
The pregnancy is in the first trimester at the end of twelve weeks and these are the expected events in the development of the fetus:
Baby is totally formed by the end of month three.
Most organs and tissues have developed.
Baby may have already started to move its hands, legs, and head
The fingers and toes are now more distinct and have soft nails.
Arms, hands, fingers, legs, feet and toes are fully formed.
Baby’s hands are more developed than the feet and the arms are longer than the legs.
Baby’s head is quite large compared to the rest of its body.
Eyes are almost fully developed.
Hair may have started to form on the head.
Tooth buds have formed under the baby’s gums.
The umbilical cord is fully formed. Remember that its role is to transfer nutrients to the baby and to take wastes away.
Baby’s heart has four chambers and beats at 120 to 160 beats per minute.
heart rate can be heard at 10 weeks with a special instrument called a Doppler
The kidneys are now developed and start draining urine into the bladder.
Genital organs can be seen quite clearly with an ultrasound
Baby’s weight and height at twelve weeks of pregnancy
Baby should weigh about half an ounce (14 grams)
Length should be about 3 inches (7 centimeters) long.