Commonly yeh ek safe tareeka hai, magar hum nishchit roop se nahi keh sakte. Aur jaankari ke liye yaha padhiye: https://lovematters.in/hi/resource/hiv Aap iss baare mein humse vristaar mein charcha humare discussion board "just poocho" par aakar humse kar sakte hai. https://lovematters.in/hi/forum