Male Infertility, severe OATs. Ducts?

Please reply with experience to help me. I am still jobless. Please Understand. My Question is at last paragraph. I have idiopathic non-obstructive severe #OligoAsthenoTeratozoospermia. Age-26 yo, Wt-81 kg, ht- 5.89 foot. Semen quantity 5ml. Sperm count below 0.5 mil/ml. Motility Zero, Abnormal 100%. My physical performance and desire of sex is great. No erectile Dyfusion or premature ejaculation. All harmons LH, FSH, TESTOSTERONE, PROLACTIN, ESTRADIOL, TSH FREE T4 TEST, Y-CHROMOSOME MICRO DELETION, KARYOTYPING, SCROTAL DOPPLER SCAN, etc are in Normal in range.(TATA 1MG, Metropolis Labs) I have healthy lifestyle from childhood. NO CIGARETTES, NO ALCOHOL, ETC. No Pain in testis , never heated testis, no injury, no radiation exposure, no such family background before. Is there any chance of other Obstruction which cannot found in Scrotal Doppler Test. Inside Vas deference or inside ducts?? Because sperm forming Harmons are Normal in every Test report. Please help with best aid.🙏