Marrying a lady doctor!!!?

hi all, myself a s/w engineer.i hav got a proposal for marriage..she is completed her MBBS. and wants to do her MD/MS..i hav talked with her..she seems to be pionate about her studies. but 3 years ..i think is pretty long time..we need to postpone family commitments for that much longer.this is the main and only concern for our family. apart from this everything else looks quite all right. i think i can support her. but i am not sure about my parents ...anyone went tru the same thing..please guide me...suggestions from lady doctors are most welcome..thanks in advance