Healthy weight but missing periods

Your body fat may be too low; I can't recall the source, but a UK doctor stated that a BF% of 13 or lower can lead to missing periods. Same with too little iron or overexercising.

Start tracking your iron and make sure you get enough, cut back on exercising, and eat back your calories.

Good luck!

Start taking a multivitamin with iron cut back on so much excessive workouts, you are tiny... you don't need to do that much everyday. Eat more. And be patient.

If you have not had a period for 2 months you should see your doctor. There are many reasons for a woman stop menstruating other than weight related issues. You are obviously worried about your weight as you have gone on to a web forum for reassurance, perhaps your doctor can also help you with that (be it to reassure or to make suggestions). I know I am just another faceless voice on the web, but I am medically trained and so suggest seeking proper medical advice is a wise idea

Please check with your doctor. Amenorrhea (cessation of periods due to body fat being too low to support a pregnancy) has serious implications for bone density and hormone levels. I got this once while training hard for a full marathon when I was younger.

Please, make an appointment to see your health practisioner.

Start taking a multivitamin with iron cut back on so much excessive workouts, you are tiny... you don't need to do that much everyday. Eat more. And be patient.

This is a good idea. Multivitamin is a good start.

From your stats, I'm about the same size as you. I have 2 kids, and when I started getting my period after baby #2, it was very irregular. One problem I was able to pin down through bloodwork is that my Vitamin D level was VERY low. I had to supplement with a high dose script of D2 for years. That didn't work very well to increase my level or regulate my period. I started a high dose supplement of D3 (under dr supervision). After almost a year, my level increased to an acceptable level, and my period became perfectly regular for the first time in my life.

Have a dr check your Vit D level, and if you need to supplement, try D3 instead of D2.

Your body fat may be too low; I can't recall the source, but a UK doctor stated that a BF% of 13 or lower can lead to missing periods. Same with too little iron or overexercising.

Start tracking your iron and make sure you get enough, cut back on exercising, and eat back your calories.

Good luck!

I am 5ft 0, currently weigh 98 lbs with am aprox BMI of 19. I didn't have a period for about a year, then after two rounds of progesterone and another round of estrogen+progesterone I finally got one, but haven't gotten another one yet. I am struggling to figure out what I did wrong assuming I was/am still at a healthy body weight but on the low end.

this happened to me before and is happening to me now. It's not the weight necessary but something I read is that exercising for that long interferes with hormones and therefore you aren't ovulating. I saw my dr. the last time this happened. Recommendation- cut back your exercise to no more than an hour a day, and take 2 active rest days. I bet it will come back. I'm cutting back to 4 times a week instead of 6 and waiting patiently for Aunt Flow.

With that much exercise in relation to your food intake, your energy availability is likely low enough to cause disruption in LH pulsatility and ovarian function. In other words, you are not netting enough calories chronically to have a period.

Here is the study.
Luteinizing hormone pulsatility is disrupted at a threshold of energy availability in regularly menstruating women.

Abstract
To investigate the dependence of LH pulsatility on energy availability (dietary energy intake minus exercise energy expenditure), we measured LH pulsatility after manipulating the energy availability of 29 regularly menstruating, habitually sedentary, young women of normal body composition for 5 d in the early follicular phase. Subjects expended 15 kcal/kg of lean body mass (LBM) per day in supervised exercise at 70% of aerobic capacity while consuming a clinical dietary product to set energy availability at 45 and either 10, 20, or 30 kcal/kg LBM.d in two randomized trials separated by at least 2 months. Blood was sampled daily during treatments and at 10-min intervals for the next 24 h. Samples were assayed for LH, FSH, estradiol (E2), glucose, beta-hydroxybutyrate, insulin, cortisol, GH, IGF-I, IGF-I binding protein (IGFBP)-1, IGFBP-3, leptin, and T3. LH pulsatility was unaffected by an energy availability of 30 kcal/kg LBM.d (P > 0.3), but below this threshold LH pulse frequency decreased, whereas LH pulse amplitude increased (all P < 0.04). This disruption was more extreme in women with short luteal phases (P < 0.01). These incremental effects most closely resembled the effects of energy availability on plasma glucose, beta-hydroxybutyrate, GH, and cortisol and contrasted with the dependencies displayed by the other metabolic hormones (simultaneously P < 0.05). These results demonstrate that LH pulsatility is disrupted only below a threshold of energy availability deep into negative energy balance and suggest priorities for future investigations into the mechanism that mediates the nonlinear dependence of LH pulsatility on energy availability.

http://www.ncbi.nlm.nih.gov/pubmed/12519869

If you are very active you won't have regular periods. I know, I was like that ever since I started my period. I was so active and had a very low body fat percentage and was skinny so I almost never had a regular period. Doesn't mean anything is wrong it just means your body can't have a period every single month. I very much enjoyed it...lol. After I got on birth control it didn't matter how active I was, I always have the period...every month haha

You should see a doctor. Chances are you're fine but you should get a diagnosis

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Hello, weight is an important symbol of reaction and measure the health of a person. Obesity and too thin is not conducive to health, it will not give people a sense of fitness. A lot of different body showed statistical material, reflecting normal weight ideal and simple indicators that can be used to represent the relationship between height and weight.

At my most active and lowest body fat (I think it was 10% and 9 stone at 5"11) I was still having periods. What does cause my periods to skip sometimes though is my polycystic ovaries. You might want to get it checked out to see if you have it, as it can cause fertility and weight problems and is quite common in the US and UK.

This.^

If you aren't pregnant, or feel there is no way you would be pregnant. I woul dbe checked for PCOS. It can cause irregular to non existant periods, hair loss or excessive hair growth in other areas of your body, weight gain, trouble losing weight, painful periods, infertility, ovarian cancer and in some much more.
Please check with your doctor.