Hi I would like some advice please,I m 28 years old. I came off the pill in sept 12 after 10 years. I had a period 1st jan 13 . I still haven t had my period this month and I am now 4/5 weeks late. I have done 4 hpts and all say negative. I have all the symptoms,sore breast ,leaking nipples, weight gain . Any advice please.