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B12 or not B12
They might also be at risk of deficiency
Vitamin B12 is a crucial nutrient that plays a vital role in energy production, red blood cell formation, and nervous system function
The male partner should abstain from ejaculation 35 days before egg retrieval day To ensure the sperm is most concentrated and of the best quality for fertilization, ejaculation should be avoided for at least 35 days before this important appointment
Frontiers in Physiology, 14 , 1149120
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