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CD-ROM Aktief 1995 #3
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1995-03-13
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VegSocUK Information Sheet
THE VEGETARIAN SOCIETY
___________________________________
PREGNANCY
PRECONCEPTION
The health of a mother and baby is influenced not only by diet during
pregnancy but also by diet before conception. Eating a healthy diet before
pregnancy will give your body a good store of nutrients for the baby to draw
on during pregnancy. The foetus is most susceptible to nutritional imbalance
during the first few months of pregnancy because this is the time of most
rapid development.
If you are very underweight or overweight, you should try to achieve an
acceptable weight for your height by a sensible and well-balanced diet.
If you take the contraceptive pill, it is a good idea to come off and use an
alternative method of contraception a few months before conceiving. This is
because the pill can alter levels of some nutrients, particularly vitamin B6,
folate and zinc. Ensure that you have a well balanced diet with plenty of
fresh fruit, vegetables (especially green vegetables) and wholegrain cereals.
Try to avoid fatty foods, sweets, biscuits and cakes.
Now is the time to make other healthy lifestyle changes and so stop smoking,
cut down on alcohol and drinks containing caffeine such as tea, coffee and
cola. Try a barley drink such as Barley Cup, or herb and fruit teas instead.
If you find you are pregnant before you have had time to think about
preconception, then don't worry, there is still plenty of time to make
healthy changes to your diet.
___________________________________
PREGNANCY
Pregnancy is a time when good nutrition is vital, for vegetarians and
non-vegetarians alike. It is a time of readjustment as well as growth. The
nine months are divided up into three divisions of three months each called
trimesters. Many women experience changes in mood, activity and appetite with
the different stages of pregnancy.
There is no truth in the old saying that pregnancy means eating for two. The
extra energy needed is only 200-300 calories a day for nine months. This is
equivalent to two slices of bread with margarine or a jacket potato with
baked beans or cheese. Some women do feel a lot more hungry than this and if
they are gaining weight at the right rate, they should eat according to their
appetite.
0-3 MONTHS
Women usually feel different and may experience tiredness as well as a
feeling of sickness particularly in the morning (see advice on morning
sickness). Calorie needs are only about 100kcal more in the early stages of
pregnancy and some women do not experience much increase in appetite until
the end of this period.
3-6 MONTHS
Appetite usually increases after the first three months and this period
requires about 300-400kcal extra calories a day. Extra calorie needs should
be met by cereals, pulses, nuts and seeds, dairy products (unless vegan) and
starchy vegetables such as potatoes.
6-9 MONTHS
The baby is maturing now and this is a time for easing up on activity and
preparing for the birth. The baby takes up a lot of space and may press on
the stomach, reducing the capacity for food. Many women feel they need to eat
small meals more frequently at this stage. Normal weight gain during
pregnancy is about 22 to 28 pounds or one and a half to two stones (10 - 12.5
kg). Weight gain often slows down during the last few months of pregnancy.
___________________________________
EXERCISE
It is a good idea to do some form of exercise during pregnancy. Antenatal
clinics normally advise on appropriate exercise. Swimming or gentle yoga are
often recommended.
___________________________________
NUTRIENTS
FLUID
You may find that you are more thirsty during pregnancy. This is natural as
fluid intake should increase. Never allow yourself to become over thirsty and
include plenty of fresh water, dilute fruit juices, milk (soya or cow's) and
herb teas. Drinks containing caffeine (tea, coffee and cola) should be
limited and alcohol should be avoided altogether if possible.
PROTEIN
Increased protein needs in pregnancy are usually met simply by the extra
calories from more foods. Protein can be found in milk, cheese, eggs, soya
milk, tofu, cereals, nuts and pulses. A normal variety of these foods will
provide adequate protein.
Intake of dairy products and eggs should not increase dramatically. Some
people believe that excessive amounts may sensitise the baby in the womb to
allergies towards these foods.
IRON
The need for iron is increased during pregnancy, especially during the later
stages. Anaemia, due to iron deficiency, is common in pregnancy whether you
are vegetarian or not. Vegetarians should be especially careful to include
plenty of iron in their diet as vegetable sources are not as well absorbed.
Good vegetarian sources of iron can be found in wholegrain cereals, pulses,
green vegetables and dried fruits. Iron absorption is increased if taken with
a good source of vitamin C, which can be found in fresh fruit and vegetables.
Tea contains tannin which can inhibit iron absorption and should not be taken
an hour before or after a meal.
Many doctors routinely prescribe iron tablets for pregnant women. Iron
tablets may not be needed unless a blood test demonstrates anaemia. Iron
levels normally decrease during pregnancy as the blood becomes more dilute.
Some women prefer to take a natural iron supplement, such as Floridix, which
is available from health food stores.
CALCIUM AND VITAMIN D
The body needs extra calcium during pregnancy, especially in the later
stages, to enable the baby's bones to develop. Calcium absorption from the
gut is more efficient during pregnancy and this should provide enough to meet
requirements. Vegans and vegetarian women who consume few dairy products need
to be particularly careful to ensure adequate calcium in the diet. Some vegan
women, especially if they intend to breast-feed, may decide on a calcium
supplement as a wise precaution, although with a good vegetable intake of
calcium, it may not be necessary.
Good sources of calcium include green vegetables, almonds, sesame seeds or
tahini, cow's milk, tofu, cheese, yoghurt, wholegrain cereals and pulses.
Vitamin D is essential for calcium absorption and can be obtained from
sunlight, margarine and dairy products.
FOLATE
Folate is one of the B vitamins needed in increased amounts during pregnancy.
Research has shown that a deficiency of folate during pregnancy can lead to
birth defects. Vegetarians should not be at risk as the best sources of this
vitamin are green leafy vegetables, fruit, peanuts, yeast extract and
wholegrain cereals.
VITAMIN B12
This vitamin is essential to the growth and development of your baby. If
adequate amounts of dairy products, eggs and fortified yeast extract are
included in your diet, then you should have enough vitamin B12. It is
especially important for vegans to include a reliable source of vitamin B12
in the diet during pregnancy. Some vegan foods, such as certain brands of
soya milk, margarine and soya products are fortified with this vitamin. If
the vitamin B12 in your diet is unreliable, then a supplement is recommended.
___________________________________
WHAT FOODS AND HOW MUCH
The 'table' below should be used only as a guide. A serving refers to a
normal sized portion that you would have for a meal or a substantial snack.
For example, a cereal serving can be two small slices of bread, a portion of
pasta or a large potato. A fruit serving is equivalent to one whole piece and
a vegetable serving is about 3.5 oz (100g). A large portion of nutloaf could
be counted as a cereal a