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Size- At two weeks the size of a pin head
Development Features- Egg attaches to the lining of the uterus
Critical stage for brain and spinal cord development
Internal organs and circulatory system begin to form
The heart begins to beat. -
Size-About 1/4 inch long as month begins.
Development Features- Face, arms, ears, and limbs take shape.
Bones begin to form -
-Size- About 1 inch long as month begins
-Nostrils, mouth, lips, and eyelids form.
-Buds for all 20 baby teeth appear.
-Fingers toes almost complete
-All organs present but still immature -
Size-About 3 inches long Weighs 1 ounce as month beagins
Development Features-Can suck its thumb, swallow, hiccup and move around
Facial Features become clear. -
Size- about 6 1/2 inches long weighs about 4-5 ounces as month begins
- Development Features- Hair, eyelashes and eyebrows appear
-Teeth continue to develop
-Organs are maturing
Becomes more active -
-Size- About 8-10 inches long and weighs about 8-12 ounces
-Development Features- Fat deposits under skin, but fetus appears wrinkled.
-Breathing movements begin. -
-Size- about 10-12 inches long weighs about 1 1/2-2 pounds as the month begins
-Development Features- Has periods of activity followed by periods of rest and quiet -
Size about 14-16 inches long weighs about 2 1/2-3 pounds as the month begins
-Development Features- Rapid weight gain continues
-MAy react to loud noises with a reflex jerking
-Moves into head down position -
Size-About 17-18 inches long weighs about 5-6 pounds as the month begins
-Development Features- Weight gain continues
Skin becomes smooth as fat deposits continue
-Movements decrees as the fetus has less room to move around
-Acquires disease fighting antibodies form the mothers blood
-Descends into pelvis ready for birth
