Use of lithium during pregnancy increases the risk of development of which of the following malformations in the baby?
Facial defects
Cardiac defects
Neural tube defects
Urogenital defects
Lithium causes Ebstein's anomaly (malformation in tricuspid valve of hea) if given in pregnancy. Other side effects of lithium includes: Leucocytosis I Tremors (most common adverse effect) Hypothyroidism Increase Urine (polyuria) Mothers (avoided in pregnancy).