What have your doctors told you? They all agree you can become pregnant again and carry a baby to term?  Have you approached any of them about seeing a fertility specialist? Do they give you any reasons why you cannot physically have a successful pregnancy?

Has your partner been tested to make sure there isn't any physical reason another pregnancy might not be possible?

Your doctors should be best able to assess you and guide you; to refer you to someone who can help you become pregnant, if possible. Things are expensive, I know, but there isn't much alternative to a fertility clinic or doctor.

Drugs bought off the Internet, which are not approved by the FDA, may end up being harmful to you, and if you become pregnant, to the fetus. Their draw is that they are cheap, and marketed to people wanting something badly.

You should at least, talk to a doctor you trust about what you might buy and use. At least hear the medical side regarding such products.

There's no easy answer here, or anywhere. You may want to talk to a therapist about how this has become the sole focus of your life. You aren't crazy and you have worth, regardless. You need to know that, and talk to someone who can help you see this.

All I can say is good luck and I hope your dream comes true. You need to think too, about what exactly might be ruining your relationship with your partner. Is it The need to become pregnant, or neglecting other parts of your life?

Merely Me, the community leader and a writer for this site wrote an article you might want to read about, The Emotional Pain of Infertility. I think you will not feel so alone.

She also wrote an article about Polycystic Ovary Syndrome (PCOS).