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  Missed my period
 Other signs of pregnancy may not yet show.
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  size: At 2 weeks,the size of a pin head.
 Egg attaches to linning of uterus.
 critical stage of brain and spinal cord development.
 Internal organs and circulatory system begin to form.
 the heart begins to beat.
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  Size: About 1/4 inch (6 mm) long as month begins
 Face,eyes,ears,and limds take shape.
 Bones begin to form.
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  Breast begin to swell
 Preasure on bladder from enlarging uterus results in need to urinate more frequently
 possible nausea("Morning sickness")
 Fatigue is common
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  Size: about 1 inch( 25 mm) long as month begins.
 Nostrils, mouth,lips,teeth buds,and eyelids form,
 Fingers and toes almost complete
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  Breasts become firmer and fuller, may ache.
 Nausea,fatigue,and freguent urination may continue,
 Adbomen becomes slighty larger.The uterus is about the size of an orange.
 Weight gain may total 2-4 pounds(0.9-1.8 kg)
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  Size: Sbout 3 inches (7.6 mm) long, 1 ounce ( 28g) as months begins
 Can suck its thumb,swallow,hiccups,and moves around.
 Facial features becoms clearer.
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  Adbomen continues to grow slowly
 Most discomforts of early pregnancy,such as morning sickness,usually gone.
 Appetite inncreases.
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  Enlarged adbomen becomes apparent.
 Slight fetal movements felt,
 Increased size may begin to affect posture.
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  Size: About 61/2-7inches (16-18 cm)long, about 4-5 ounces(113-142 g) as month begins.
 Hair,eyelashes,and eyebrows apear.
 Teeth continue to develop.
 Organs are maturing.
 Become more active
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  Fetal movemtents sensed as strong kicks,thumps,and bumos.Some may be visible.
 Weight gain by the beginning of this month may total 10-12 pounds ( 4.5-5.4 kg)
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  Size; About 8-10 inches (21-25 cm) long,about 8-12ounces(227-340 g) as months begin..
 Fat deposits under skin, but fetus appears wrinkled
 Breathing movements begin
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  Incresed size may affect posture,
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  Size: About 10-12 inches ( 25-31cm) long,about 11/2-2 pounds( 680-907g) as month begins
 Periods of activty followed by periods of restand quiet.
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  Size:About 14-16inches(36-41cm)long about 21\3-3 pounds(1.0-1.4kg)as month begins
 Weight gains continues rapidly.
 May react to loud noises with reflex jerking action
 Moves into a head doen position
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  Discomfort may result from incresed size,backache,leg cramps,shortness of breath,and fatigue are common.
 Fetal kicks may disturb the mothers rest.
 At the beginning of this month,weight gain totals about 18-20 pounds (8.2-9.1 kg)
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  "Lightening" felt as the fetus drops into pelvis. Breathing becomes faster.
 Other discomforts may continue.
 Atotal weight gain of 20-25 pounds (11.3-15.9 kg) it typical.
 false labor may be experienced.
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  Size About 17-18 inches (43-46 cm) long,5-6 pounds( 2.3-2.7 kg) as month begins.
 Weight gain continues untill the week before birth.
 Skin becomes smooth as fat deposits continue
 Movement decreases as the fetus has less room to move around.
 Acquires disease-fighting antibodies from the mother blood.
 Descends into pelvis,ready for birth.