infertility

  1. N

    2009 Case Study: Hypogonadotropic Hypogonadism treated with GnRH Analog Buserelin (Nasal)

    https://www.fertstert.org/article/S0015-0282(09)01228-X/fulltext Objective To report a patient with hypogonadotropic hypogonadism of hypothalamic origin successfully treated with nasal administration of a low-dose gonadotropin-releasing hormone (GnRH) analogue. Design Case report. Setting A...
  2. J

    Women’s Birth Control vs TRT as Contraceptives and Potential Infertility

    There is generally no fear of women permanently losing their fertility when they start birth control, even though birth control (generally a mix of estradiol and progesterone) is intended to shut down a woman’s HPG axis, leads to the lack of ovarian stimulation, and leads to ovarian shrinkage...
  3. W

    Still struggling

    So it's been about two years since I became symptomatic due to varicoceles I'm 27 was 25 when it started long story short they started hurting after lifting one day randomly then I got depressed and dick stopped working felt numb and cold couldent figure out why got diagnosed with varicoceles on...
  4. Nelson Vergel

    Causes of male infertility: a 9-year prospective study on 1737 patients with reduced sperm counts

    "The primary cause of infertility was defined for 695 of 1737 patients (~40%). The analyzed causal factors could be divided into absolute (secondary hypogonadism, genetic causes, seminal tract obstruction), severe (oncological diseases, severe sexual dysfunction) and plausible causal factors...
TRT Hormone Predictor Widget

TRT Hormone Predictor

Predict estradiol, DHT, and free testosterone levels based on total testosterone

⚠️ Medical Disclaimer

This tool provides predictions based on statistical models and should NOT replace professional medical advice. Always consult with your healthcare provider before making any changes to your TRT protocol.

ℹ️ Input Parameters

Normal range: 300-1000 ng/dL

Predicted Hormone Levels

Enter your total testosterone value to see predictions

Results will appear here after calculation

Understanding Your Hormones

Estradiol (E2)

A form of estrogen produced from testosterone. Important for bone health, mood, and libido. Too high can cause side effects; too low can affect well-being.

DHT

Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.

Free Testosterone

The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.

Scientific Reference

Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.

DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038

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