Need some baby dust sent my way

I’m currently 13 DPO I’ve tested twice and nothing😞😞 I’ve been trying to three months now and every month I get either a negative test or my period starts. I have endometriosis and PCOS the doctor told me my chances were probably slim of being able to carry full term if at all. 😞 so I’m left feeling discouraged and a little depressed each time.