1. High risk pregnancy
1.1. Infant's birthweight
1.1.1. Preterm infants
1.1.1.1. SGA (small for gestational age)
1.1.1.1.1. Suffer growth failure in uterus and do not catch up well
1.1.1.2. AGA (appropriate for gestational age)
1.1.1.2.1. small but right size for their age and catch up well
1.1.2. Low birthweight
1.1.2.1. <2.5 kg
1.1.2.2. low economic status
1.2. Mother
1.2.1. Malnutrition
1.2.1.1. early pregnancy
1.2.1.2. during pregancy
1.2.2. health
1.2.2.1. preexisting diabetes
1.2.2.1.1. spontaneous abortions
1.2.2.1.2. infertility
1.2.2.1.3. pregnancy related hypertension
1.2.2.2. gestational diabetes
1.2.2.2.1. high birthweight infant
1.2.2.2.2. complication during labor and delivery
1.2.2.3. hypertension
1.2.2.3.1. heart attack & stroke
1.2.2.3.2. lbw infant
1.2.2.3.3. separation of placenta from wall of uterus resulting stillbirths
1.2.2.4. transient hypertension of prenancy
1.2.2.4.1. develop during second half of pregnancy
1.2.2.4.2. usually mild
1.2.2.4.3. return normal after birth
1.2.2.5. Preeclampsia
1.2.2.5.1. high blood pressure
1.2.2.5.2. protein in the urea
1.2.2.5.3. edema
1.2.2.5.4. affect all organs
1.2.2.5.5. retards fetal growth
1.2.2.6. eclampsia(toxemia)
1.2.2.6.1. seizure and coma
1.2.2.6.2. maternal death
1.2.3. age
1.2.3.1. adolescence
1.2.3.1.1. iron deficiency anemia & prolonged labor
1.2.3.1.2. higher rate preterm births, lbw infants & stillbirths
1.2.3.1.3. encourage higher weight gain
1.2.3.2. older women
1.2.3.2.1. down syndrome baby
1.2.3.2.2. hypertension & diabetes
1.2.4. practices
1.2.4.1. smoking & chewing tobacco
1.2.4.1.1. fetal death
1.2.4.1.2. fetal growth retardation
1.2.4.1.3. lbw
1.2.4.1.4. sudden infant death syndrome
1.2.4.1.5. vaginal bleeding
1.2.4.1.6. spontaneous bleeding
1.2.4.1.7. complications at birth
1.2.4.1.8. mislocation of placenta
1.2.4.1.9. premature separation of placenta
1.2.4.2. caffeine
1.2.4.2.1. spontaneous abortion
1.2.4.3. weight loss dieting
1.2.4.4. sugar substitute