Feeling sad 😰 & in so Much Pain

So I lost my 10 month old son in June he passed and last week I found out I was pregnant and I didn't know weather to be happy or sad and didn't know if I was really ready for another baby , went to the ER because I was hurting so bad and in so much pain and started bleeding they tolde my HCG levels were very low they were 11 and not rising went home and a couple hours later I was bleeding very heavy and miscarried my heart hurt so bad and my body is aching. I wanna try again but than again I don't I'm scared I may miscarry again or something , how long did you wait to try? How long did you bleed and etc ??? So many questions