Maximum teratogenic effect on hea of fetus is between?

Ans. is 'c' i.e.,6 - 8 weeksPeriod of organogenesis (Embryonic - 2 - 8 weeks of conception) is the time of maximum vulnerability, and each embryonic system has a period of maximum susceptibility.Hea is typically affected if the teratogen acts between 6 - 8 weeks of gestation.CNS maximum susceptibility between 17 - 30th post feilization days.