Pre Pregnancy Exercises

Pre Pregnancy Exercises


Vitamin A is essential in the formation of visual purple which illuminates objects in dim lighting.

The retina stores vitamin A within four optic pigments; the one used in dim lighting is termed rhodopsin, or visual purple.

The other three optic pigments are collectively termed iodopsins and are required for normal daylight vision.

Vitamin A is also required for peripheral or side vision and correct colour vision. A deficiency of vitamin A can lead to poor vision and cornea disorders, and a prolonged deficiency may cause blindness.


Vitamin A is required for the secretion of gastric juices, which are required for protein digestion. Low-protein diets may restrict the effective use of vitamin A.

For people having difficulty in digesting fats, a deficiency of this vitamin may persist.

Alcohol consumption causes a loss of vitamin A via the liver.

Sweet potato and pumpkin are excellent sources of vitamin A carotene.

NOTE: d.v. refers to the daily value for women 25-50 years, refer to RDI chart for adult male and child values.

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