Physiology of Male Gonadotropic Axis and Disorders of Sex Development

A 25-year-old male experienced increased testosterone and estradiol levels after starting finasteride for hair loss, leading his doctor to suggest a testicular ultrasound as a precaution. The user questions the necessity of the ultrasound, considering it potentially excessive, while others suggest it could be a useful precaution to rule out any issues.

Finasteride may affect male offspring's fertility and hormonal balance, with debates on whether to discontinue use before conception. Some users report no issues, while others highlight the high doses used in rat studies.

The user received hormone test results showing normal estradiol and testosterone levels, low SHBG, and normal free androgen index. They are considering starting finasteride but are concerned due to being slightly overweight.

The conversation discusses the impact of finasteride on sperm, including potential side effects like decreased ejaculate volume and total sperm count. Users share experiences and concerns about fertility tests before and after starting finasteride.

A 22-year-old male has been using finasteride for 4 months without major side effects but is concerned about hormone test results showing low SHBG and high estrogen. He plans to consult a doctor and is considering alternatives like minoxidil or topical finasteride to avoid health issues.

Finasteride can cause gynecomastia due to hormonal imbalances. Management includes consulting an endocrinologist and using aromatase inhibitors like anastrozole or supplements like DIM and zinc.