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.
There's still some uncertainty among practitioners and mothers-to-be about the use of anxiety and antidepressants in pregnancy, but some leading OBGYNs point out the benefits of being treated with the drugs.