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August 17, 2012

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Scientists develop infertility treatment

LOCAL scientists have developed a micro-pulse hormone infusion system to treat infertility caused by undeveloped secondary sex characteristics.

About 10 million patients in China have this problem. It is caused by two missing hormones - follicle-stimulating hormone (FSH) and luteinizing hormone (LH). These hormones trigger the development and maturation of egg cells in women and sperm in men.

Men diagnosed with the disease idiopathic hypogonadotropic hypogonadism, or IHH, have a low sperm count while female patients with the disease do not ovulate or menstruate.

Shanghai Ruijin Hospital doctors and MicroPort Medical Co Ltd have collaborated to develop a pulse pump that releases the hormone GnRH in pulses or short bursts, usually at 90 to 120 minute intervals.

The release can stimulate the pituitary gland to excrete FSH and LH hormones.


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