pregnancy can produce unusual symptoms,,you sound like you may have two different things happening at once a possible problem with
ovarian cysts which could expalin the cramping
and you may be early pregnant..you
hcg wouldnt be going up for any other reason...
many women spot especially brown during pregnancy and go on to have a healthy baby,,,it happened to me,,I spotted, bleed off and on for 5 months and my son wa born a healthy weight and fine...