should i test again?

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am on the mini pill but i know 13% fail rate for it. i dont take it everyday at the same time and some days i forget to take it at all. i want another baby but my dr wants me on birth control because she doesnt think im ready after only being 6 m pp. i started what i thought was my period last friday and within a day and a half it was done. now yesterday ive started waking up in the morning and puking. thought it was just a coincidence but now i just woke up this morning and puked again. so should i test? i tested last week and they were negative but a lots happened since then lol i wasnt puking last week. im also slightly cramping and my hips hurt like hell. and im breastfeeding so my boobs are already tender and bigger but i swear theyve even perked up a bit since last week.