Hi,

Undoubtedly you should go for the science stream. In Biology, you will learn about in-vitro fertilization & if you take Physics, Chemistry & Biology as the core subjects after 10th boards then you can go for medical stream & become a gynaecologist who deals with in-vitro fertilisation or you can pursue courses in Embryology. The long & short of this is you have to study biology to do anything in in-vitro fertilisation.

Hope this helps.