Nutrition and life cycle Flashcards
اللهمّ أكرمني بجودة الحفظ وسرعة الفهم وثبات العقل والذهن والذاكرة بحق قولك: «الرَّحْمَـنُ، عَلَّمَ الْقُرْآنَ، خَلَقَ الْإِنسَانَ، عَلَّمَهُ الْبَيَانَ، الشَّمْسُ وَالْقَمَرُ بِحُسْبَانٍ».
آمين🧡
Nutrition before pregnancy:
🟡The nutritional status of a woman at the time of conception reflects her diet and life style over a number of years.
🟡Pre-pregnancy diet may affect the chances and outcome of conception.
Vitamin D deficiency in adolescence may have resulted in__________, which may result in___________.
pelvic malformations
obstructed labour
Body weight:
There is a high prevalence of infertility among________ and________ women, due to the presence of excess and low body fat stores respectively, which can affect ovulation.
obese,
underweight
BMI = wt (kg) / ht (m)2 BMI < 18.5 \_\_\_\_\_\_ BMI 18.5-24.9 \_\_\_\_\_\_\_\_\_ BMI >25-29.9 \_\_\_\_\_\_\_\_ BMI >30\_\_\_\_\_\_\_\_
Underweight
Normal
Overweight
Obese
So, women planning to become pregnant should aim to achieve a BMI within the range of_______
20-25.
Studies have shown that supplementing women with folic acid for________ before conception and up to the _______of pregnancy, significantly reduced the risk of neural tube defects in the fetus.
3 months
12th week
The embryo at conception and in the first weeks afterwards is extremely vulnerable. The majority of organs develop in the_______ weeks after conception
first 8
🔴🔴🔴🔴At this stage, the placenta has not yet formed, so there is no mechanism to protect the growing embryo from deficiencies or excesses in the maternal circulation🔴🔴🔴🔴
The essential energy and nutrients of embryo are derived from the_________&_________…
maternal circulation and the lining of the uterus
all women who are planning to get pregnant are advised to increase their folate, by the daily intake of folic acid as a supplement (____mg) or by the intake food fortified with folic acid
0.4
Studies have concluded that extreme intake of retinol, in doses from____to_____ ug/day, is teratogenic. However,________ is not toxic.
7,500 to 10,000
B-carotene
Such high doses of vitA are likely to be taken regularly only in the form of_______.
supplements
Women who are planning to become pregnant are advised to avoid supplements with mega doses of retinol as well as excessive daily intake of liver.(____)
✅✅👩🏻⚕️
Underweight woman who enters pregnancy with limited nutrient stores, is more likely to have a low birth-weight infant(___)
✅
Overweight and obese women are at a higher risk for _______&________disorders.
gestational diabetes and hypertensive
Long-term consequences of low birth-weight
🔺Higher risk of:
🔴Coronary heart disease in later life.
🔴Higher blood pressure later in life.
🔴Type 2 diabetes in adults.
Dieting is never recommended during pregnancy, as a low energy intake during pregnancy may result in_______ which has a threat for the developing fetus.
ketosis
The average weight gain during pregnancy is______ kg (__-__kg), which includes:
12.5, 11.5- 16 📌 Fetus 3.5 kg 📌Increased maternal tissue 6 kg (including uterus, breast and blood volume) 📌 Stored fats 3 kg