Almost 18 and no term?

I will be 18 in a few months and i enjoy not gotten my period nonetheless ever and i dont know why. I went to the doctor to carry a check up, and I also got some blood test to check my hormone levels, and they come back usual. I am on the thinner side, but at a healthy substance according to doctor. (5'8 and 125 pounds) I eat plenty of food, and a perched diet. I am also athletic, but i have other been, and not to an extreme amount. does anyone enjoy any ideas as to what is wrong? thanks
Answers:

My urine smells really strange once a month?

I know that if you weight underneath 40Kg you will not get your term - I don'y know how that translates into pounds etc.

A few girl questions..?

ummmm, if I hear this right, then if your mom be late getting her time.you will be late as all right.

There might be nothing wrong near you, that's just how your body is. If you haven't see a gynocologist yet, you might wanna produce an appoinment. They are the specialists when it comes to that stuff.

What did the indians (people in the old days) use for condoms?

Was your physical exam everyday? ( Meaning there be an opening contained by the hymen for menstrual fluid to come out and you have breast and pubic coat development. ) You are on the towering side and the rule of thumb is the taller you are the later your interval will start so if the hormone levels are common (and there is a far-reaching variation of normal) I would suggest that you try and gain 5 pounds. You may be of late a little too underweight.

Are at hand two types of orgasms? husband needs helpanyone?

umm okay idk but you might have jeans from you dads side or moms side...do they enjoy any sisters? i just get mine 2 weeks ago for the first time and my mom started at 16 and im 13 you may just be a in arrears bloomer. but anyways im sure u will start real soon it may also depend on how long you enjoy had discharge. I know it might be chance hearing this from a 13 year prehistoric but anyways thats what i know ...so yeah usually u get you time 1 1/2 - 2 years after dischage.