Am 37yrs old trying to conceive.Lately having been having irregular menstrual cycle but lately I thought am pregnant after I missed my period for 8dys only to start menstruating again on the 20th day. Despite the pregnancy symptoms having been seeing.Please help, am getting worry.

Have you seen an OB/GYN? Have you researched peri-menopause? Perimenopause - MayoClinic.com (http://www.mayoclinic.com/health/perimenopause/DS00554)