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.
A lot of motion sickness medications are safe in pregnancy. Meclizine and dramamine (dimenhydrinate) are both class b which are safe in pregnancy. Wrist bands that are used for motion sickness are also totally safe in pregnancy. This is a really hard topic as most women are a little nauseated in pregnancy and travel doesn't make that better.