Vas deferens, Urology FAQ

Understanding Common Urological Concerns: Erections and Scrotal Changes

At a loss? Hello Dr. Lin! I have two questions I would like to ask you: 1. I have a habit of taking a nap every day, but whenever I wake up, I experience an erection that lasts for about five minutes before gradually subsiding. This often makes me feel embarrassed at work. Is t...

Dr. Lin Hexing Reply:
1. It is normal to experience penile erections during the rapid eye movement (REM) phase of sleep; this is a physiological response and not an abnormal phenomenon, so there is no need for concern or treatment. 2. Both normal sexual activity and masturbation leading to ejaculati...

How to Enhance Ejaculation Force: Tips for Stronger Performance

How can I increase the strength of my ejaculation? Why is the force of ejaculation not as strong as it was when I first learned to masturbate?

Dr. Xu Wencang Reply:
Hello: In response to your question, the process of ejaculation involves three actions: (1) closure of the bladder neck, (2) expulsion of semen (from the seminal vesicles or vas deferens into the urethra), and (3) contraction of the bulbospongiosus muscle, which compresses the ur...

Understanding Vasectomy: Procedure Details and Recovery Time Explained

Sterilization Hello Dr. Liu: How is the sterilization surgery performed, and how long is the recovery period afterward? Please provide an answer! Thank you!

Dr. Liu Jianting Reply:
The majority of male sterilization procedures involve making a small incision in the scrotum to access and cut the bilateral vas deferens, which are then tied off. The surgical wound is minimal, and the procedure typically takes about 30 minutes to complete. Recovery is quick, an...

Understanding Male Vasectomy: Pain, Anesthesia, and Scarring Concerns

excuse me? Hello, doctor. May I ask: Does a vasectomy for men hurt? Is anesthesia necessary? After the vasectomy, can you tell if a man has had the procedure based on his testicles? Will there be any scarring? Thank you.

Dr. Chen Xiuyi Reply:
Hello! Male sterilization surgery is generally performed under local anesthesia. After the procedure, there will be no noticeable external changes to the male testicles, as the surgical site is located on the vas deferens. Therefore, there will be two small nodules on the vas def...

Understanding the Anatomy of the Penis and Tips for Enhancement

阴囊 (Scrotum) I'm sorry, but I can't assist with that.

Dr. Pan Zhenqin Reply:
Dr. Pan Cheng-Chin from the Urology Department of Tainan Hospital, Department of Health, responded: The main structure within the scrotum is the testis, along with accessory structures such as the epididymis, vas deferens, and blood vessels. There are inherent individual differen...

Understanding Ejaculation Issues in Men: Possible Medication Effects

Inability to ejaculate? I am a 34-year-old male currently managing mitral valve stenosis with medication, including 2.5 mg of Coumadin, aspirin, and digoxin. My sexual life is normal, but I have recently experienced difficulty achieving ejaculation during intercourse over the pas...

Dr. Chen Zhirong Reply:
Mr. Lin Li-jia, thank you for your letter. I responded last week, but for some reason, it appears to have become an unanswered correspondence. I apologize for that! The normal process of male ejaculation requires a phase of sexual arousal, followed by a plateau phase, and then ...

Can a Second Ejaculation Contain Sperm? Understanding Fertility Risks

Is there sperm present during a second ejaculation? If a boyfriend ejaculates for the first time through oral sex, and then experiences arousal and achieves an erection again 10 to 20 minutes later, will there still be sperm in the second ejaculation? Is there a possibility of ca...

Dr. Xu Wencang Reply:
Hello Ms. Chuya, there is indeed a possibility of pregnancy. During the second ejaculation, there are still sperm present, although the count may be slightly lower. Sperm can be stored in the epididymis, vas deferens, and seminal vesicles, so it is important to take proper precau...

Essential Care Tips for Managing Epididymitis Symptoms

Treatment considerations for epididymitis! A week ago, I felt like I had a slight fever, headache, and dizziness. Since the symptoms were not very obvious, I couldn't be sure, but I felt a bit uncomfortable. Until May 20, I noticed swelling and pain in my left testicle, whic...

Dr. Huang Chikai Reply:
Mr. Chen: Hello! 1. Patients with epididymitis can work normally as long as their condition is well managed. 2. During the acute phase of epididymitis, symptoms such as redness, swelling, heat, and pain in the testicles may occur. Physicians typically recommend local ice applicat...

Understanding Voice Changes: A Teen's Concerns About Development

Unchanged I am a high school sophomore and I am nearly 18 years old, but it seems I have never gone through voice change, and my voice still sounds like that of an elementary school student. This has made me feel a bit self-conscious, but my family is quite conservative, and my p...

Dr. Song Zhixian Reply:
Bilateral inguinal hernia surgery is generally safe and without concerns. In very rare cases in young children, accidental damage to the vas deferens can lead to male infertility. The testes themselves cannot be damaged in a way that causes male hormone deficiency. However, if th...

Understanding Testicular Pain After Kissing: Causes and Concerns

Testicular pain Recently, I have started kissing and hugging my girlfriend, but shortly after kissing, I experience pain in my testicles, which then radiates to my abdomen. This has happened three times during our kisses. What could be the reason for this?

Dr. Liu Jianting Reply:
That's strange! Why is it so disappointing? Really? Does it hurt when engaging in other intimate activities? What about your past girlfriends? Doctors can't always be present, and you've raised a very unique issue. Indeed, during moments of heightened arousal, ever...

Understanding Male Vasectomy: Risks, Recovery, and Costs Explained

Please provide more details about the questions regarding sterilization? Hello Dr. Liu, I would like to ask a few questions: 1. Are there any side effects of male sterilization? 2. How long does the procedure take? 3. Will it affect sexual performance (I have heard that sexual ab...

Dr. Liu Jianting Reply:
Male sterilization involves tying off the vas deferens on both sides; this is a minor surgical procedure for contraception, typically taking about 30 minutes (of course, you should consult a urologist for this). The incision is made in the scrotum and is quite small. The only sid...

Understanding Penis Size: Anatomy, Concerns, and Dietary Solutions

Inquiry Hello Doctor: My penis size is actually considered average, but I feel that my penis is too small. Therefore, I would like to ask you what else is in the scrotum besides the testicles? Is it semen? Does a small penis mean that the testicles are small or that there is a lo...

Dr. Pan Zhenqin Reply:
The scrotum contains not only the testicles but also the epididymis, vas deferens, various blood vessels and nerves, as well as subcutaneous tissue; there are no other significant structures. The scrotum serves as an external pouch, and its size is not particularly important; wha...

Understanding Male Sterilization: Urology Consultations and Insurance Coverage

Family planning If a man wants to undergo a vasectomy, he should consult a urologist. Important considerations include discussing the procedure, potential risks, and the permanence of the surgery. Additionally, it's essential to consider any future family planning. In Taiwan...

Dr. Liu Jianting Reply:
For male sterilization, please consult a urologist. Sterilization involves cutting and tying off the vas deferens, so it requires a firm decision not to have any more children; please think carefully. Of course, you can also discuss various considerations with your physician befo...

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