Women have C-sections for all kinds of reasons, be it emergencies or electives to help ensure mother and baby are safe as well as for example if a women feared birth greatly. We are lucky that in the UK we now have the choice to request a section. It is our right.
My first pregnancy was pretty tough with daily vomiting continuing until I was 28 weeks. Not fun. At. All. It also meant living on walkers, dry biscuits and dairylea (whatever I could stomach) daily and sadly no exercise (even a ride in the car induced puking).