Help please!!! Ttc

Lola • Srna , married to my soul mate for 2yrs ttc with our first baby !! We are so excited to start a family
My ovulation test is showing high lg surge  for the first time since starting the clomid medication , my husband and I had intercourse last night to dat I am cramping and have very light bleeding .. Is this normal my period isn't suppose to start until the 18th .. Thanks