Hi Me And My Husband Is Try To Have A

hi me and my husband is try to have a baby we only started dis month my last period started on 23rd march and ended the 29th and was due to come back yesterday we had unprotected sex everyday since 30th march till now . i took 3 pregnancy test and all shows negative but i have been feeling upset getting a lot of belly cramps feeling extrtemely sleepy at all times my belly is relly bloated , my foot swells daily and my breast is tender. my question is cud i still be pregnant or is something wrong wid me i had a miscarriage in december and everything was normal after a month or so and in february i took a morning after pill cause i wasnt quite ready to have another baby at dat point but now i am and its frustrating me