Suggest Remedy For Delayed Periods

my name is guddi, i am 20 year old, always have my periods on time but this time period delays for about 45 days. i had my periods in last march and today is 12 march and don't even have any symptoms.but before 2 days there is a white secretion it doesn't had foul smell it is normal but i also have a chilling sensation while and after urination and also have some pain it may be due eating spicy food.plz help me because i am very shy i am unable to discuss this problem with my mother so plz suggest me some medicine or a home remedy for this problem. i don't have any medical history.thank you so much plz me an email as early as possible as i am so depress donot concentrate in my study ana i have my exams on 23may2011