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Missed menstrual period
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Size: pin head
Egg attaches to lining of uterus
Critical stage for brain and spinal cord development
Internal organs and circulatory system begin to form
Heart begins to beat -
Breasts begin to swell
Pressure on bladder from enlarging uterus
Possible nausea ("morning sickness")
Fatigue -
Size: 1/4 inch
Face, eyes, ears, and limbs take shape
Bones begin to form -
Breasts become firmer and fuller, may ache
Nausea, fitigue, and frequent urination may continue
Abdominal becomes slightly larger
Uterus is about the size if an orange
Weight gain may total 2-4 npounds -
Size: 1 inch
Nostrils, mouth, lips, teeth buds, and eyelids form
Fingers and toes almost complete
All organs present, although immature -
Abdomen continues to grow slowly
Most discomforts of early pregnancy, such as morning sickness, usually gone.
Appetite increases -
Size: 3 inches, 1 ounce
Can suck thumb, swallow, hiccup and move around
Facial features become clearer -
Enlarged abdomen becomes apparent
Slight fetal movements felt
Increased sixe may begin to affect posture -
Size: 6-7 inches, 4-5 ounces
Hair, eyelashes, and eyebrows appear
Teeth continue to develop
Organs are maturing
Becomes more active -
Fetal movements sensed as strong kicks, thumps, and bumps. Some may be visible.
Weight gain total 10-12 pounds -
Size: 8-10 inches, 8-12 ounces
Fat deposits under skin, but fetus appears wrinkled
Breathing movements begin -
Increased size may affect posture
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Size: 10-12 inches, 1-2 pounds
Periods of activity followed by periods of rest and quiet -
Discomfot ma result from increased size
Backache, leg cramps, shortness of breath, and fatigue
Weight gain total 18-20 pounds -
Size: 14-16 inches, 2-3 pounds
Weught gain contiues rapidly
May react to loud noises with a reflex jerking action
Moves into a head-down position -
"Lightening" felt as the fetus drops into the pelvis
Breathing becomes easier
Other discomforts may continue
Weight gain total 25-35 pounds
False labor may be experienced -
Size: 17-18 inches, 5-6 pounds
Weight gain continues until the week before birth
Skin becomes smooth as fat deposits continue
Movements decrease as the fetus has less room to move around
Acquires disease-fighting antibodies from thee mother's blood
Descends into pelvis, ready for birth