Hello there! Stop this crappy HCG diet, its a cheap publicity stunt. There is no proof of it as weight loss programm, i am sure that sever diet restriction you had been associated with have compromised your periods to delay. Rest odds of pregnancy , sek gynecologist, and you will have your answer for delays / pregnancy. Seek a nutritionist and stop messing with your body for some cheap publicity stunts. HCG diet is not recommended nor advised by FDA, american society, Or any other and specially by me :P Want proof? read this article http://www.medscape.com/viewarticle/742940 S Khan