Could I be pregnant?

[Pointlessfan]

Please advise!
I'm BFing DD who is 10mo although we have been switching her onto formula ready for me going back to work so I now only feed her morning and night. Periods haven't returned yet.
I've had bad nausea and been off my food since Sunday. I was sick twice yesterday. I assumed it was a bug although I don't usually get sickness bugs. I'm also feeling drained and achey and my boobs hurt.
Did a pregnancy test today which was negative but as I'm not having periods I have no idea if I've done it at the right time. We had unprotected sex once over Xmas but I can't remember when exactly.
Is there a way of finding out if I am pregnant that would be more reliable than a home test in this scenario?
I'm panicking as we both want another baby but can't really afford it yet.

I'm afraid a home pregnancy test is the only way to find out. All you can do is wait a bit longer and test again.

Thought as much, thank you. I'm quite scared, I haven't even gone back to work yet.

It's possible, yes. Any unprotected sex can lead to pregnancy.

I'd probably wait a week and retest.

I'd think that if you were pregnant and the hormones were at a high enough level to cause symptoms, they'd be high enough to show up on a hpt. However, as others have said, it's worth testing again in a week.

If your unprotected sex was end of Dec (i.e over Christmas) then a pregnant test would more than likely show up positive by now if you were pregnant. Test again in a week to make sure.

I sound really irresponsible don't I?? I would like to point out that I wasn't drunk and the sex was with my DH!
Thanks for your replies. I'll retest next week if I'm still feeling ropey. I'm quite feverish too so thinking it probably is a bug of some sort, although that wouldn't explain the tender boobs.

Could the symptoms be ovulation, as I used to get sore boobs then? Maybe worth doing LH test?

Any chance you could have mastitis? Sore boobs, feeling feverish, sickness etc are all symptoms.

I did wonder about mastitis. There is no redness or swelling.
How likely is it to get it 10 months into BFing when I'm only doing 2 feeds a day?

It could be ovulation although I always used to get sharp abdominal pain. Going to have paracetamol and sleep.