My first and last depo injection was 24th April so ended on the 17th July..While on the depo me and my husband decided we wanted another addition to our family so from the 17th July we have been having a lot of sex

But so far nothing has been happening still havent even had my period back

The last time we had sex was the 19th Sept but about 5 days after that (24th/25th) I keep getting really bad cramping my breasts are sore and swollen and alot darker in colour im always tired really irritable and nausious all day long.
I did a hpt this morning and it was negative was it too early to test ? I am booked in with the gp on the 12th going to try and get him/her do some bloods.
Any info would be greatly appreciated Thanks in advance x