I just had a miscarriage... I feel so low. How long do I wait until I can try to get pregnant again? Gynae said I should try right away, but I feel too depressed right now

i have had 3 total and 2 about a year ago and i was told to wait but i ended up getting prago agen and im 9 1/2 months now and have had no complications but my specialist did tell me that i should have looked into my miscarriages b4 trying agen but everyones diffrent