Can i get prgnant if???

Ok so me and my bf have been together for almost 8 months..i got my first depo shot on march 7th..i get my second one on june 14 (in 7 days)..my grandma n mom say dont let him nut inside me untill i get the shot because its ‘worn off right now’ or ill get pregnant..can i get pregnant if i let him nut inside for the next couple days??