<p>Biotin is a water soluble coenzyme that is needed for the metabolism of glucose and amino acid. When a woman is pregnant, she needs energy and biotin helps in converting food to energy. Because it is easily passed out through the urine by a pregnant woman, a certain dosage as supplements us usually recommended by a doctor as an overdose may be harmful to her body as it can cause diabetes, depression, fatigue, insomnia, lack of appetite and even birth defects.</p><p>Biotin can be gotten naturally from some foods like nuts, fruits and vegetables, foods high on protein. Biotin is another name for vitamin B7. It helps in keeping the baby's skin glowing and boosts the hair and nails just like it does the mother's too.  If a mother takes the required dosage of biotin while pregnant, the baby when born is less susceptible to skin diseases.</p>