OK, so here goes... We've been ttc for a year now. I'm never more than a day or two late EVER. Well as of Sunday I'm three weeks late. I took 4 different hpt, different brands and sensitivities. All are negative. So thinking something is wrong I call my ob/gyn for an appt. They listen to my story and reply "At your age it's menopause. We'll have you in on your regular annual appointment in May." That's it? Wth? Has anyone had negative hpt and really been pregnant? Could synthroid be affecting the hpt?