Yoora Is Concerned That She May Have Harmed Her Developing

Yoora is concerned that she may have harmed her developing fetus because she was having wine on the night that conception occurred which is something she rarely does. Should Yoora be worried?

A) Yes, because the fertilized ovum will be in contact with maternal blood in the fallopian tubes.
B) No, because the fertilized ovum will be protected from substances in the maternal blood by the placenta.
C) No, because the fertilized ovum is not susceptible to environmental influences until the fetal period.
D) No, because the fertilized ovum will not become exposed to substances from the maternal blood until implantation occurs during the second week.