No menstrual bleeding

Hi Dr. Shlomi, I am an Israeli who lives in NY. My daughter who turned 20 on March 15 didn't get her period for one whole year. before that for two years she was getting her period about twice a year. She didn't have problem with her period for the first 6 years. Any medical term I don't understand I will put " " to it. I might get clarification for some of these terms if needed. We visited an endocrinologist who sent her for blood test. Here are the results I will give you only what's out of range: 1) C-Peptide In range- 0.7 (reference range - 0.8-3.1ng/mL) ACTB, Plasma - Out of Range 52 H (reference range - 5-27 pg/mL) 2) Vitamin D,25-OH,LCMSMS 25-OH; 25-OH, D3; 25-OH, D2; In range 3) IGF-I ; Globulin, Calculated 2,1,L (2.2-4.2 g/dL) A/G Ratio 2.3 H (0,8-2.0) TSH "4.82" RBC 3.58 L Rematocrit 34.0 L 4) CRC W/ DIFF & PLT (Continued) Monocytes, Absolute 193 L 5) LH/PROG/17-OH/PROL/Insulin/TESTOS,FR,BIO?Total/Estradiol (continued) Cortisol,Total,Serum 35.3 H (Range 8am-10am4.0-22.0)(4pm-6pm-3.0-17.0) 6) 17-OH-Progesterone,LCMSMS 468 H ng/dL Not being able to figure out the problem the Dr. Sent my daughter for few more tests: Pelvic Sonogram; MRI Pituitary & Brain "Carnal" AND few more blood test: LH, FSH, "Polhern" Total "Estrogen" ;DHEA Sulfate; 17-OH-Progesterone,LCMSMS Your help is humbly appreciated. Best wishes, Miriam Kalman .