I am 39 yrs old have 3 chldren last being 9yrs old ... the 25th of Dec 2008 was my last period .... its now 3rd of march and still nothing.. I have all the symptoms but still getting neg tests .. my son is is now 12 was the same it took 3 urine ,4 blood and an aultrosound to tell me I 12 weeks ....1st child took 3 urine and 1 blood and the last took just a home preg test ... someone help!!