1. weight gain
1.1. braxton hicks contractions
1.1.1. BIRTH!
1.1.1.1. 40 weeks - full tern
1.1.2. shortness of breath
1.2. edema
2. 2nd Trimester
2.1. Fetal growth
2.1.1. Major organ development
2.1.1.1. Skeletal bone development
2.1.2. Fetus starts at 1 oz
2.1.2.1. >2 lbs by end
2.2. sex organs
2.2.1. ultrasound
2.2.1.1. child birthing class
2.2.1.1.1. increased energy
2.3. mother begins to "show"
2.3.1. fetal movement
2.4. breast enlargement
2.4.1. skin color changes
2.4.1.1. nasal stuffiness and dizziness
3. 3rd Trimester
3.1. physically challenging
3.1.1. emotional
3.2. fetal muscle growth
3.2.1. protective fat layers
3.2.1.1. lung maturations
3.2.1.1.1. swallows amniotic fluid
3.2.1.2. temperature control after birth
3.2.1.3. skin thickens
4. 1st Trimester: 1-3 months
4.1. + pregnancy test
4.1.1. fetal organ formation: 2-8 weeks after conception
4.1.1.1. NO teratogens!
4.1.1.1.1. Birth control
4.1.1.1.2. seixure medication
4.1.1.1.3. alcohol
4.1.1.1.4. radiation
4.1.1.1.5. tetracyclines
4.1.1.1.6. rubella vaccine
4.1.1.1.7. lithium
4.1.1.1.8. DES
4.1.2. 80% of miscarriages occur in 1st trimester
4.1.3. Nausea Vomiting
4.1.3.1. Small weight gain, 1 lb/month
4.1.3.2. Tired
4.1.4. Absence of menstrual period
4.1.4.1. Bleeding can be mistaken for period
4.1.4.1.1. important to ask about last mentrual cycle!
4.1.4.1.2. if confused, pregnancy is 1 m older than thought