Hi there Sanjay.
At the outset, it is commendable that you had 'protected sex'. As doctors' this is our objective & we are not moral police & am happy you are taking care.
There is no such thing as female sperm. What you allude to is the vaginal secretions. All these secretions be it male or female are safe at least where virus is concerned once exposed outside the body & are fastidious & dont last long..certainly not viable in 15-20 minutes...so you have nothing to worry about.
Also if your mucous membranes are intact & there is no bleeding or admixture of blood or blood products, then you have again nothing to fear.
All the best & wish you continued good healt & do continue to practice safe sex! Cheers!
Dr Praveen Rodrigues MD
, Cosmetologist, Venereologist
Vikram Hospital, Bangalore, India