I am on pills, I am having heavy period, my breasts are sore, sensitive

on March 24 I Started Fertility Treatment 2nd day taking the Pills I Started having HEAVY HEAVY PERIOD suppostly cuz it was cleaning my sytem ANYways It lasted 8 days Exact it Stopped April3 2 weeks later I Was Having fatigue....Felt soo Tired ..Hella Sleepy I Could Sleep allday Every single Day! My Brests are sore, sensitive, nd i saw some White dots On My Nipples 1 week Ago & Feel them Heavy ... Feeling Some Cramping Nd Dizziness & Heartburn ....Nd Now Im having White Milky Discharge And Nooo Period Yet!! What could It Be Pregnancy? Bc i Did a Preg Test 4 days Ago nd still Nuthing!!