Sperm volume
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Andrew Huberman discusses several factors that influence sperm volume and overall semen parameters, which are crucial for understanding fertility:
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Sperm Count Trends: Historically, the typical male ejaculate contained higher numbers of sperm—about 100 million sperm per milliliter. In recent times, this count has decreased to about 15 to 20 million sperm per milliliter on average due to various factors, including electromagnetic fields from smartphones and endocrine disruptors like phthalates and BPAs that may disrupt the seminiferous tubules and Sertoli cells 1.
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Ejaculate Volume: Clinicians prefer to see an ejaculate volume over 2 milliliters. The volume can range from 1.5 to 5 milliliters depending on the frequency of ejaculation. Variations in ejaculate quality and volume are considerable and often influenced by age and other factors 1.
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Sperm Analysis and Freezing: It's advisable for men to get their sperm analyzed approximately once every five years, especially if they plan on conceiving in the future. Freezing sperm at a younger age is also suggested to mitigate the effects of aging on sperm quality. This analysis might include checking sperm concentration, motility, and the overall volume of semen produced after a period of abstinence (about 48 to 72 hours) 2.
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Impact of Lifestyle: Factors like diet, stress, environmental toxins, and lifestyle choices can significantly affect sperm quality and volume. Acupuncture and certain changes in lifestyle are suggested to improve these parameters by affecting both the chemical and mechanical environments that contribute to sperm production 3.
Understanding these aspects can help in prioritizing health choices that contribute to maintaining or improving fertility.
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