Post on 21-Dec-2015
Objectives
• To produce a healthy, normal weight infant while minimizing the short and long term health risks to the mother
• To determine the appropriate weight gain during pregnancy for the normal weight, underweight, overweight and adolescent pregnant woman
Objectives (cont.)
• To recognize the additional energy, vitamin and mineral requirements during pregnancy and lactation
• To recommend dietary modifications to help alleviate nausea, heartburn and constipation during pregnancy
• To develop skills to help promote and maintain breast-feeding
Prenatal Nutrition
Questions with nutritional implications for the obstetric history and physical exam
Present illness
• General: recent weight change, poor weight gain, edema, dehydration
• G.I. complaints: Diarrhea, nausea, vomiting, heartburn, constipation
Medical History
• Prenatal vitamins, nutritional supplements, herbs, remedies?
• Iron supplements
• Food allergies
• Non-food cravings
• Obstetric history
Social History
• Alcohol?
• Special Diet?
• How many meals and snacks daily?
• Avoid any specific foods?
• Milk: how much, type?
• Lactose intolerance
Family History
• Familial occurrence of dx
• History of children with fetal anomalies
Review of symptoms
• General: Fatigue, weight change
• Month: teeth, gums, lips, tongue
• GI/abdomen: Appetite, food intolerance, nausea, constipation, diarrhea
Physical Exam: Anthropometric data
• Height
• Current weight
• Prepregnancy weight
• Prepregnancy BMI = {[wt (kg)] / ht2 (m2)}
• Weight gain during pregnancy so far
Laboratory Evaluation
• Glucose
• Hematocrit
• Hemoglobin
Maternal weight gain
Underweight
• BMI < 19.8
• Total weight gain 28 - 40 lbs.
• 5 lbs./ 4 weeks
Normal
• BMI = 19.8 - 26
• Total weight gain 25 - 35 lbs.
• 4 lbs./ 4 weeks
Overweight
• BMI = 26.1 - 29
• Total weight gain 15 - 25 lbs
• 2.6 lbs./ 4 weeks
Adolescent
• Pounds to bring weight near normal for height
• Pounds for 9 month interval of growth
• Pounds recommended for pregnancy
Nutritional requirements
• Energy: + 300 kcal/day in 2nd and 3rd trimester
• Protein: RDA = 60 g
• Calcium
• Folate
• Iron
Nutritional Problems
• Nausea and vomiting (hCG)
• Constipation (progesterone)
• Heartburn
Lactation Management
Benefits of Breast-feeding
Infant
• Decreased incidence of infection
• Protection against autoimmune diseases
• Good jaw and tooth development
• Mother - Infant bonding
Mother
• Accelerated weight loss
• Delayed return of ovulation
• Improved bone remineralization
• Reduced ovarian and premenopausal breast cancer risk
• Easy, clean, economical
Maternal nutritional requirements
• Energy: + 500 kcal/day, progressive weight loss not to exceed 4.5 lb/month
• Protein: RDA = 65 g
• Calcium: 1200 mg (same as prenatal)
• Iron requirement is decreased
• Prenatal supplements
• Fluids 2-3 quarts/day
Contraindications
• Maternal infections: TB, typhoid, rubella, mumps, HIV and CMV
• Maternal medications: most chemotherapeutic agents, illegal substances. "If you wouldn't prescribe it for the baby, think carefully about giving it to the mother.”
• Infant: galactosemia, some congenital deformities of the palate
Breast-feeding promotion and support
• Education of mother and family
• Provision for early and frequent mother infant contact
• Concept of "demand and supply”
• Solutions for work related concerns: pumping and storage
• Proper feeding technique and breast care