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Stephen Lazarou, MD

✓ In-person consults available at Boston Urology.

Dr. Stephen Lazarou (he/him) is a board-certified urologist at Boston IVF and a Clinical Instructor at Harvard Medical School. He specializes in all aspects of male infertility.

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Stephen Lazarou

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Stephen Lazarou, MD

Biography

Dr. Lazarou is board-certified by the American Board of Urology. He specializes in a full range of evaluations and treatment in male reproductive medicine, including fertility preservation for cancer patients, treatment of severe male factor infertility, treatment of men with clinical hypogonadism (symptoms of low testosterone), and sexual dysfunction. Additionally, he is trained in advanced microsurgery of the male reproductive system.

*To book an appointment with Dr. Lazarou, please contact his office directly*
Dr. Stephen Lazarou
65 Walnut St, Ste 460
Wellesley Hills, MA 02481
(781) 237-9000
https://www.urologistboston.com/

In addition to his role at Boston IVF, he is also a Clinical Instructor of Urology at Harvard Medical School and an active staff member at the Beth Israel Deaconess Medical Center.

Dr. Lazarou completed his fellowship in Male Infertility and Andrology at the Beth Israel Deaconess Medical Center/Harvard Medical School in Boston.

He actively lectures on various topics in male reproductive medicine, has written numerous medical articles, and recently co-authored a book chapter on the effect of advancing age on male reproduction.

Dr. Lazarou is a member of several professional organizations including the American Urological Association, the American Society of Reproductive Medicine, the New England Fertility Society, the Society for the Study of Male Reproduction, and the Sexual Medicine Society. He has written numerous medical articles and recently co-authored a book chapter on the effect of advancing age on male reproduction.

To learn more about Dr. Lazarou, click here to visit his male infertility treatment website.

Awards

  • Castle Connolly Top Urologist | 2019-2025
  • Boston Magazine Top Urology Doctor | 2020-2025
  • Castle Connolly Most Nominated | 2023

Publications

Recent Selected Publications

1. Lazarou S, Morgentaler A. The effect of aging on spermatogenesis and pregnancy outcomes. Urol Clin North Am. 2008 May; 35(2):331-9, xi. PMID: 18423252

2. Reyes-Vallejo L, Lazarou S, Morgentaler A. Subjective sexual response to testosterone replacement therapy based on initial serum levels of total testosterone. J Sex Med. 2007 Nov; 4(6):1757-62. PMID: 17087806

3. Lazarou S, Reyes-Vallejo L, Morgentaler A. Wide variability in laboratory reference values for serum testosterone. J Sex Med. 2006 Nov; 3(6):1085-1089. PMID: 17100942

4. Lazarou S, Reyes-Vallejo L, Morgentaler A. Phleboliths in varicoceles presenting as spermatic cord mass. Fertil Steril. 2006 Jul; 86(1):219.e21-2. PMID: 16818036

5. Reyes-Vallejo L, Lazarou S, Morgentaler A. Y chromosome microdeletions and male infertility: who should be tested and why? BJU Int. 2006 Mar; 97(3):441-3. PMID: 16469004

6. Lazarou S, Reyes-Vallejo L, Morgentaler A. Technical advances in penile prostheses. J Long Term Eff Med Implants. 2006; 16(3):235-47. PMID: 17073566

7. Lazarou S, Morgentaler A. Hypogonadism in the man with erectile dysfunction: what to look for and when to treat. Curr Urol Rep. 2005 Nov; 6(6):476-81. PMID: 16238923

8. Lazarou S, Herschorn S. Ureteric obstruction requiring nephrectomy after uterine fibroid embolization. Can J Urol. 2005 Feb; 12(1):2553-4. PMID: 15777494

9. Lazarou SA, Jamal M, Short T. A case of transitional cell carcinoma seeding of small bowel anastomosis after radical cystoprostatectomy. Can J Urol. 2003 Aug; 10(4):1945-6. PMID: 14503940

10. Lazarou S, Fischer MA, Jarvi K. Renal colic and torsion: case report and review. Can J Urol. 2002 Dec; 9(6):1702-3. PMID: 12517315

11. Chan VW, Peng P, Chinyanga H, Lazarou S, Weinbren J, Kaszas Z. Determining minimum effective anesthetic concentration of hyperbaric bupivacaine for spinal anesthesia. Anesth Analg. 2000 May; 90(5):1135-40. PMID: 10781467