If you had conceived on Easter Sunday your baby would be 2 months old. By this time all the symptoms are evident for pregnancy ( I mean positive symptoms and signs). Heart beat is present on Ultrasound
The earlier symptoms that you narrated were only possible symptoms and not positive. Mirena
is a good contraceptive
to prevent pregnancy and rarely fails. The doctor would have revealed your pregnancy if the Urine test turned positive.
I mysteriously think of a condition called Pseudocyesis ( False pregnancy
) seen amongst younger women. You need to work on these false thoughts and get a Ultrasound which reveals all the secret. The brown tissue in the toilet could be from vagina or the rectum
. We need to be sure.
All the best.