Which of the following can lead to infertility in males

Options

A. Any kind of reproductive tract infection like filariasis
B. Undersecretion of hormones like FSH and adrenaline
C. Improper structure of sperm produced in Leydig cells
D. Damaged to accessory duct

Answer

To determine which of the given options can lead to infertility in males, we will analyze each option step by step.

### Step 1: Analyze Option 1 - Reproductive Tract Infection
- Reproductive tract infections, such as phallicis, can cause various reproductive disturbances. However, it is important to note that while these infections can lead to complications, they are not the primary cause of infertility in males.
- **Conclusion**: This option is incorrect.

**Hint**: Consider the impact of infections on reproductive health and their direct relation to infertility.

### Step 2: Analyze Option 2 - Under Secretion of Hormones
- The option mentions under secretion of hormones like FSH (Follicle Stimulating Hormone) and adrenaline.
- FSH is crucial for the regulation of spermatogenesis and overall reproductive health. Under secretion of FSH can indeed lead to infertility.
- However, adrenaline is primarily involved in the body's stress response and does not have a direct role in male fertility.
- **Conclusion**: Since adrenaline is included in this option, it makes this option incorrect.

**Hint**: Focus on the specific hormones that directly influence male reproductive functions.

### Step 3: Analyze Option 3 - Improper Structure of Sperm Produced in Leydig Cells
- Leydig cells are responsible for producing testosterone and other androgens, which are essential for male reproductive functions.
- This option suggests that improper sperm structure is produced in Leydig cells, which is misleading. Leydig cells do not produce sperm; they produce hormones that support sperm production.
- **Conclusion**: This option is incorrect.

**Hint**: Remember the role of Leydig cells and where sperm is actually produced.

### Step 4: Analyze Option 4 - Damage to Accessory Ducts
- Accessory ducts (such as the vas deferens, seminal vesicles, and prostate) play a critical role in the transport and maturation of sperm.
- Damage to these ducts can lead to inflammation and obstruction, which can directly cause infertility in males.
- **Conclusion**: This option is correct.

**Hint**: Think about the anatomical structures involved in sperm transport and how their damage could affect fertility.

### Final Answer
The correct answer is **Option 4: Damage to the accessory ducts**, as it can lead to infertility in males.