Hello dear Understand your concern Stretch mark occur due to elastic nature of tissue underlying the abdomen, thigh and buttocks. So abdomen is stretched due to fetus and amniotic fluid, Hormonal changes also take important role. Yes you can apply olive oil and evion cream. But you also maintain your weight. Following home remedies can be used: Caster oil massage Cocca butter application Alo vera oil massage Honey plus vitamin E and shea butter based ointment for better mosturize the skin. Massage and relaxation excercise Medical treatment also used if not responds to above and if you have more cosmetics concern: Chemical peeling Laser treatment is last best option, but it is costly. Hope this may help you Best regards Dr. Sagar