Quick question

Jasmine

My sons 18months old and I want another baby 😳 but everyone keeps saying my sons to young and I shouldn’t try.. as well me and my partner had sex on the 4th and I ovulated on the 12th.. I was told that sperm stays upto 5 days.. is there a chance I could get pregnant? Plus we had sex I think the 5th as well I just can’t remember .. looking for advice thanks ladies