There is information in this article which helps answer your questions. In part, it states:

"Typically, your period should start again within three months after you stop taking the pill. Most women ovulate promptly and have a period within four to six weeks. But some women, especially those who took the pill to regulate their menstrual cycles, may not have a period for many months."

You can read more of the relevant parts of the article at that link.

We are inviting members of Sexual Health Connection to participate in our weekly discussions.  This week's conversation is about people's first time.  If you care to participate here is the link to The Question of the Week.