Tooth discolouration is the change of colour of the teeth from normal white to dark or brown. Persistent discolouration of teeth is caused by gradual withering away of enamel. This may lead to the enamel revealing the dentin inside which is yellowish brown in colour.
During pregnancy, a woman needs to take many supplements of vitamins and minerals to provide for the needs of her body and the growing baby. Some of these medications can leave the tooth discoloured.
There could be many reasons why you may be experiencing a change in the colour of your teeth. Some of them include the following: