I'm so scared ??

Kayla β€’ Just had a baby in August '15 her name is Kylie Sophia Thompson πŸ‘ΆπŸ½πŸŽ€πŸ’ž weighing 8lb now expecting my 2nd in April '17
So o went to the bathroom and I wiped and o saw a pink ish color on the towel I'm so scared and my stomach has been cramping today and I'm only 7wks nd 2 days pregnant but I did have sex just now but I'm really scared someone please HELP !!