have any of you pregnant women experienced depression as an early sign of pregnancy?

Question by lisa g: have any of you pregnant women experienced depression as an early sign of pregnancy?
Ive been feeling very depressed lately and Ive had a few pregnancy symptoms that started 3-4 weeks ago such as
dark brown discharge,
tingling sensation in nipples,
headaches,
very light period,
increased acid,
tiredness even though I sleep for ten hours or more and
also digestion problems.
but Ive taken two pregnancy tests that have come back negative in the past 2 weeks so Im not

depression and anxiety scale