南京师范大学：《营养学》课程PPT教学课件（英文版）第十一章 Human Nutrition

Professor Dr. Jin BQ Food Science & Nutrition NJNU

Professor Dr. Jin BQ Food Science & Nutrition NJNU

§1 Introduction Peoples in different physiological periods ⚫ Pregnancy ⚫ Lactation ⚫ Growth Requirements ⚫ Maintenance ⚫ Labor or action

§1 Introduction Peoples in different physiological periods ⚫ Pregnancy ⚫ Lactation ⚫ Growth Requirements ⚫ Maintenance ⚫ Labor or action

§2Pregnant Nutrition 1 Health pregnant women 2 Double Requirements for mother-foetus

§2Pregnant Nutrition 1 Health pregnant women 2 Double Requirements for mother-foetus

3 Stages of Pregnancy Months F-Weight MW The first (early) 1-3 4mg 0.7-1.4kg The second (middle) 4-6 1%/MW 4-5kg The third (last) 7-9 5-7%/ MW >6kg BW growing Total 10-12.5kg in mother 2-4kg in foetue 285d / 3 phases

3 Stages of Pregnancy Months F-Weight MW The first (early) 1-3 4mg 0.7-1.4kg The second (middle) 4-6 1%/MW 4-5kg The third (last) 7-9 5-7%/ MW >6kg BW growing Total 10-12.5kg in mother 2-4kg in foetue 285d / 3 phases

4 Changes of Mother-Physiology 4.1 Growth of mother’s BW: 10-12.5kg in total, BMI A Uterus-growing B Placenta-occurring & growing , 10 -13m2 C Embryo-Foetue: Initial BW -3300g, Height-50cm 4mg, 4-6w 5-7% , 9m

4 Changes of Mother-Physiology 4.1 Growth of mother’s BW: 10-12.5kg in total, BMI A Uterus-growing B Placenta-occurring & growing , 10 -13m2 C Embryo-Foetue: Initial BW -3300g, Height-50cm 4mg, 4-6w 5-7% , 9m

Embryo Development

Embryo Development

Mother 4.2 The level of Hormones: Human chorionic gonadotropin (HCG) Human chorionic somatomammotropin (HCS) Estrogens Progesterone

Mother 4.2 The level of Hormones: Human chorionic gonadotropin (HCG) Human chorionic somatomammotropin (HCS) Estrogens Progesterone

4.3 Basic metabolism 15-20% 4.4 Change of blood system 30-40% 4.5 Cardiovascular function 40% 4.6 Gastrointestin function 4.7 Renal function 50% Syndrome: Anaemia (IDA) Gristle Leg Dropsy Hyperpressure

4.3 Basic metabolism 15-20% 4.4 Change of blood system 30-40% 4.5 Cardiovascular function 40% 4.6 Gastrointestin function 4.7 Renal function 50% Syndrome: Anaemia (IDA) Gristle Leg Dropsy Hyperpressure

5 Mother’s Nutritional Requirement GE (general energy) from % in weeks CH2O 55-60 0-10, +50kcal/d EE (Fat) 20-25 20-30, +200kcal/d CP (protein) 15-25 Last, +400kcal/d Table4-2 & DRIs Total, +80,000kcal/350MJ

5 Mother’s Nutritional Requirement GE (general energy) from % in weeks CH2O 55-60 0-10, +50kcal/d EE (Fat) 20-25 20-30, +200kcal/d CP (protein) 15-25 Last, +400kcal/d Table4-2 & DRIs Total, +80,000kcal/350MJ

Early Middle Last ⚫ CP +5-10g/d + 15g/d +20g/d ⚫ EE ⚫ CH2O ⚫ Ca / +1000mg/d +1500mg/d ⚫ Fe / +25mg/d +35mg/d ⚫ I +175 g/d ⚫ FH4 +400 g/d from 40d Table4-2 & DRIs

Early Middle Last ⚫ CP +5-10g/d + 15g/d +20g/d ⚫ EE ⚫ CH2O ⚫ Ca / +1000mg/d +1500mg/d ⚫ Fe / +25mg/d +35mg/d ⚫ I +175 g/d ⚫ FH4 +400 g/d from 40d Table4-2 & DRIs