-奇形精子症

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1. 男性不妊症の検査approach to the male with infertility [show details]
…oligozoospermia (a low number of sperm cells in the ejaculate compared with reference ranges) or azoospermia (no sperm cells in the ejaculate), some infertile men have normal sperm counts. Over 80 percent of infertile …
2. 処置済み精液を用いた子宮内授精（IUI）のための手順procedure for intrauterine insemination iui using processed sperm [show details]
… In addition, sperm preparation maximizes the number of motile sperm for insemination, removes cellular debris, and concentrates the specimen. Two commonly employed techniques for sperm processing are …
3. 卵細胞質内精子注入法intracytoplasmic sperm injection [show details]
… recommend any one sperm retrieval technique over another . In terms of sperm source, the fertilization, pregnancy, and live birth rates are equivalent with testicular or epididymal sperm retrieval in men …
4. 男性不妊症の原因causes of male infertility [show details]
… oligozoospermia (a low number of sperm cells in the ejaculate compared with reference ranges) or azoospermia (no sperm cells in the ejaculate), but some infertile men have normal sperm counts . Over 80 percent of …
5. 続発性性腺機能低下を呈する男性における生殖能の誘導induction of fertility in men with secondary hypogonadism [show details]
…hMG can be added again if the sperm count is not near-normal when another pregnancy is considered. Cryopreservation of sperm can be offered, especially if the sperm count is normal, for possible future …

Japanese Journal

ホルスタイン種種雄牛に発症した精巣萎縮による精子減少症の1症例

伊藤陽輔,高橋健一,岡本実,登石裕子,角田修男,田谷一善
日本獣医師会雑誌 72(9), 539-544, 2019
… 間を経て5歳齢で精液採取を再開したホルスタイン種種雄牛に，造精能の著しい低下が認められた．交尾欲，勃起能，射精能は正常であったが，精子濃度，総精子数，精子運動性及び精子生存率が低下して精子奇形率が上昇した．血中テストステロン濃度は正常レベルであり，ヒト絨毛性性腺刺激ホルモン負荷試験によるテストステロン分泌は，正常反応を示した．精巣は著しく小さく，曲精細管精子形成層の菲薄化， …
NAID 130007731485