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Baby is the size of a pin head at two weeks.
The heart starts beating.
Internal organs and circulatory system begins to form. -
Baby is 1/4 of an inch at the beginning of the month.
Face, eyes, ears, and limbs take shape.
Bones begin to form. -
Baby is about 1 inch at the beginning of the month.
Nostrils, mouth, lips, and eyelids form.
All organs are there but not mature. -
Baby is about 3 inches and weighs 1 ounce at the beginning of the month.
Can suck its thumb, swallow, hiccup, and move around.
Facial features become clearer. -
Baby is about 6.5-7 inches and weighs 4-5 ounces at the beginning of the month.
Hair, eyelashes, and eyebrows appear.
Organs are maturing. -
Baby is about 8-10 inches and weighs 8-12 ounces at the beginning of the month.
Fat deposits under the skin, but fetus appears wrinkled.
Breathing movements begin. -
Baby is about 10-12 inches and weighs about 1.5-2 pounds at the beginning of the month.
Has periods of activity followed by periods of rest and quiet. -
Baby is about 14-16 inches and weighs about 2.5-3 pounds at the beginning of the month.
Rapid weight gain continues.
Moves into a head-down position. -
Baby is about 17-18 inches and weighs 5-6 pounds at the beginning of the month.
Skin becomes smooth as fat deposits continue.
Movements decrease as the fetus has less room to move around.
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