Accidental Exposure. Sometimes women take medication before they realize that they are pregnant. When this happens, they may worry about the effects of the medication on their unborn baby. The first thing a woman who is pregnant or who is planning on becoming pregnant should do is talk with her healthcare provider.
Corundum is found as a primary mineral in igneous rocks such as syenite, nepheline syenite, and pegmatite. Some of the world's most important ruby and sapphire deposits are found where the gems have weathered from basalt flows and are now found in the downslope soils and sediments.
1. Plant Sources: Plant source is the oldest source of drugs. Most of the drugs in ancient times were derived from plants. Almost all parts of the plants are used i.e. . leaves, stem, bark, fruits and roots. Sheep thyroid is a source of thyroxin, used in hypertension. 2  Cod liver is used as a source of vitamin A and D. 3  Anterior pituitary is a source of pituitary gonadotropins, used in treatment of infertility.