15 month & newborn on 1/21

Ali • Ecstatic ☺️😍, Mexicana, wifey & mommy to 4 👶🏼.
Im scheduled on 1/21 for a C-section. I also have a 15 month babygirl. My debate is: 
is a double stroller needed for 2 LO at this age? Anyone else been through this age stage and is it needed..