Pregnant or going crazy!!

OK so my story is............
I had a miscarriage in April. It was a surprise pregnancy and we dealt with it and are Ok that it happened. I had hcg levels go down, although they never did one to make sure it was 0 and I never had an ultrasound to check it out afterwards which I think is because it was all pretty straightforward so to speak.
I had my AF twice after the miscarriage so carrying on all honky dory then suddenly no AF. Have been using condoms so thought naaa can't be preggers. However start getting symptoms so eventually after being 14 days late and feeling dumb go to my dr who did beta hcg and it was neg and 2 home preg test also neg. OK not pregnant.
But still getting symptoms..........ok feeling crazy by this point. My fiancee and I 2 weeks ago did have one slip up a few days after going to the Dr and forwent the condom in a moment of passion (lol sorry tmi) and well I'm now still getting preg symptoms.   
Thing being sometimes I swear I feel movement in my lower abdomen and I'm sure its getting bigger........not necessarily tighter (I'm a slighty bigger girl.......ok probably a little more than slighty but not huge huge huge) which means if I was pregnant it wouldn't be from 2 weeks ago. More preg tests come back neg which could be too early from our accident 2 weeks ago.
I'm too scared to go to my GP again and ask for a scan cause I think she will think I'm nuts.
Question 1 is ..........could I still miraculously be pregnant from when I miscarried with a twin?? ( I know highly unlikely given the hcg went down and now neg preg tests)
Question 2 is ..........how soon should I rely on a home test after our little accident???

Or am I having a phantom pregnancy????? I really do want a baby but was quite happy to wait til after our wedding in Oct before trying so would be mad at my body for putting me through this.
Anyone else had a phantom pregnancy or feel like youre pregnant and youre not?.............I hope I'm not the only crazy one

Thankyou for letting me rant and reading this.

Edited by Buttersmum

Huge hugs - this must be really confusing for you.

If tests are negative, I'd say a phantom pregnancy is a real option. Usually - not always, but very very usually - you'd get a positive test if you were that far along with the pregnancy. (ETA - I think? After reading Emmi's response).

I'd go to your Dr, and explain everything to him/her. Don't worry about feeling or looking stupid - it's not a stupid situation at all. If you are preggers, they'll be able to confirm that, and if you're not, that's quite OK. It's easy to be embarrased about the idea of a phantom pregnancy, because we have a bit of a stigma attached to things that are 'in the mind', but in reality, that's silly. It's just something that happens in some situations, and might possibly be more your body's response to expecting to be pregnant than your own mental reaction to it.

One way or the other, going to the Dr again is probably the thing to do. They'll be able to put your mind at ease one way or the other, and trust me, they've seen it all, it won't even faze them.

Edited by Hopes