The formula for simple interest is I = prt where I is the simple interest, p is the principal, r is the rate of interest, and t is the period of time.
No anti-anxiety medication is completely safe during pregnancy, but some are much safer than others. The least safe anti-anxiety medications during pregnancy are benzodiazepines, such as Xanax and Valium. They inhibit brain function by enhancing the potency of the neurotransmitter GABA. According to a study published in the November 2007 issue of Pharmacoepidemiology and Drug Safety, benzodiazepines increase the risk of low birth weight, preterm birth and congenital malformations.
Drugs for which there is good data include: 1  carbamazepine - generally perceived as the safest anti-epileptic agent in pregnancy. In all cases, patients should be assured that the chance of abnormality is low. 2  complications include: 3  neural tube defects - 1% risk 4  (2) hypospadias.