Treatment Strategy: Sperm Retrieval and IVF/ICSI

Because men with CBAVD cannot transport sperm into their ejaculate, traditional methods of conception like natural intercourse or IUI (intrauterine insemination) are not possible ^[1]. However, because sperm production in the testes is usually healthy and normal, doctors can use a “bridge” strategy to bypass the missing tubes and build a family ^[2][3].

The Gold Standard: IVF with ICSI

The standard treatment for CBAVD is a combination of surgical sperm retrieval and IVF (in vitro fertilization) using a technique called ICSI (intracytoplasmic sperm injection) ^[1][2].

In traditional IVF, thousands of sperm are placed in a dish with an egg, and one must swim to and penetrate the egg on its own. Because surgically retrieved sperm are often lower in number and have limited movement (motility), they need more help ^[4][3]. With ICSI, an embryologist uses a tiny needle to select a single high-quality sperm and injects it directly into the center of the egg ^[1]. This maximizes the chance of fertilization even with a very small number of sperm ^[2].

Surgical Sperm Retrieval Methods

There are several ways to collect sperm directly from the source. While the idea of needles or incisions near the testes can be intimidating, these procedures are routine and standard protocols exist for pain management ^[5].

• PESA (Percutaneous Epididymal Sperm Aspiration): A very thin needle is inserted through the skin into the epididymis (the coil behind the testis) to gently vacuum out sperm ^[2][6].
• MESA (Microsurgical Epididymal Sperm Aspiration): A surgeon uses a high-powered microscope to find and open the tiny tubules in the epididymis to collect large amounts of sperm ^[2][6].
• TESA (Testicular Sperm Aspiration): Similar to PESA, but the needle is inserted directly into the testis to pull out sperm ^[2][7].
• TESE (Testicular Sperm Extraction): A small incision is made in the testis to remove a tiny piece of tissue, which is then searched in the lab for sperm ^[2][7].

What to Expect Physically

Most of these procedures are performed under either local anesthesia (a numbing injection) or twilight sedation (where you are asleep and comfortable but breathing on your own) ^[2]. Procedures like PESA and TESA take only minutes, and recovery typically involves taking it easy for a day or two with over-the-counter pain relievers and an ice pack. TESE or MESA may require a slightly longer recovery period of a few days ^[7].

Managing the Financial Reality

It is important to acknowledge that the combination of surgical sperm retrieval, IVF, ICSI, and potential genetic testing (PGT-M) represents a significant financial investment. Because these treatments involve highly specialized technology and laboratory work, they can be costly. We strongly encourage speaking with the financial counselor at your fertility clinic early in the process to understand your insurance benefits, out-of-pocket estimates, and available financing options.

Success Rates and Outlook

The outlook for couples dealing with CBAVD is very encouraging. Because the primary issue is a physical blockage rather than a failure of the “sperm factory” itself, your success rates are typically higher than for men with other types of infertility ^[8][9].

• Sperm Retrieval Success: Doctors are able to find usable sperm in nearly 100% of men with CBAVD who have normal sperm production ^[2].
• Pregnancy Rates: Clinical pregnancy rates for CBAVD couples using ICSI are often around 30% per cycle or higher, which is comparable to other forms of obstructive infertility ^[2][10].
• Healthy Offspring: When combined with genetic screening (to ensure the health of the child), these techniques have a long history of resulting in healthy, successful pregnancies ^[11][12].

While the journey involves more medical steps than you may have originally planned, the path from diagnosis to fatherhood is well-established and highly successful.