Hi Maria,
It depends what you want your result to be like. If your happy with the shape of your boobs but you don’t like the size then implants only would be fine.
If your not happy with either shape or size then I’d suggest uplift & implants.
I was told I could have just implants if I was happier having a bigger version of what I already had (which I wasn’t) so I’m booked in for a modified lift & implants in November.
My surgeon told me that if you just have implants they will look great at the start but when your body starts adapting to the implants, they will drop & eventually go back to their original shape.
I can’t really say with the unders/overs because I was always told unders.
Hope that helps a little 🙂 xx