i am 39 year old, have a 10yr old daughter and her birth was throu C section. I got Tubectomy 5 years back last week prenancy test kid should positive in the morning and on the same day around 3 PM it should negative... i had a very bad pricking pain in my lower abdomen , giddiness, and vomiting sensation. i was just wonder was it a miscarriage ., Pls help me understand