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How to effectively extract sperm for IVF?

How to effectively extract sperm for IVF?



introduction

IVF technology is a milestone of modern medicine in the field of assisted reproduction. In order to successfully implement IVF technology, sperm extraction is a crucial step. With proper methods and equipment, sufficient quantity and quality of sperm can be obtained efficiently. This article will elaborate on how to effectively extract sperm for IVF from four aspects.

Patient evaluation and selection

Before sperm extraction, doctors need to conduct a comprehensive evaluation and selection of patients to ensure that the success rate of sperm extraction is maximized. First, the doctor will conduct a detailed medical history inquiry and physical examination to understand the reproductive health of the patient. Secondly, the doctor may suggest some necessary laboratory tests, such as semen analysis, to understand the quality and quantity of the patient's semen. Based on the evaluation results, doctors can determine the most suitable sperm extraction method for patients. Then, the doctor will choose one of the following sperm extraction methods according to the specific situation of the patient: testicular biopsy, ejaculation, vaginal electrical stimulation or semen flushing.

Sperm extraction method

1. Testicular puncture biopsy: For patients who cannot ejaculate naturally or have abnormal ejaculation, testicular puncture biopsy is a common method for sperm extraction. Doctors will use a fine needle to puncture the testicle, and then extract tissue or sperm. This method is suitable for patients with low sperm survival and production. 2. Ejaculation: For patients who can ejaculate naturally, doctors can help them ejaculate by manual or mechanical stimulation. Before implementation, the doctor will advise patients to ejaculate 2-5 days after avoiding sexual behavior to ensure the quality and quantity of semen samples. 3. Vaginal electrical stimulation: For women with vaginal dysfunction (such as vaginal stenosis), doctors can use vaginal electrical stimulation to guide ejaculation. Electrical stimulation will stimulate the contraction of vaginal smooth muscle to help sperm enter the collection container through the vagina. 4. Semen flushing: For patients with healthy female partners, doctors can use semen flushing. First, doctors will mix semen samples with protease solution to coagulate non sperm components. The doctor then centrifuges the mixture to separate the sperm rich part.

Sperm extraction apparatus and equipment

In order to extract sperm effectively, hospitals need to use appropriate extraction instruments and equipment. Common instruments and equipment for sperm extraction include instruments that generate vacuum by attraction, fine needles, sterile containers, magnifiers, microscopes and centrifuges. The correct use and operation of various instruments and equipment is crucial to the success of sperm extraction.

summary

In IVF technology, effective sperm extraction is a key step to success. Through the evaluation and selection of patients, the selection of sperm extraction methods, and the use of appropriate instruments and equipment, doctors can efficiently extract the required quantity and quality of sperm. However, the situation of each patient is unique, so it is necessary to develop an appropriate sperm extraction plan according to the specific situation. Finally, through the correct sperm extraction technology, IVF has brought a solution to the fertility problem, bringing hope to those couples who are eager to become parents but face fertility difficulties.
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