When a couple undergoes IVF treatment they shouldn't be highly hopeful of being successful with the first attempt itself. The treatment takes into consideration a lot of factors: Maternal age: Women are born with a specific reserve of eggs and its number declines as one ages this affects one s fertility and might be one of the reasons to opt for IVF treatment. This is why conceiving beyond 35 years of age becomes challenging. However women beyond 37 years of age can also undergo IVF to get pregnant. The success in this case depends largely on the availability and health