Serum estradiol (E2), progesterone (P) and prolactin (PRL) were detected by immune enzyme chain assay.

血清雌二醇（E2 ）、孕酮（P）、泌乳素（PRL）采用免疫酶联法测定。

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Objective: To study the adjusting effects of Tiao Kun decoction on estradiol (E2) and progesterone (P).

目的：探讨调坤汤对雌二醇（E2）、孕酮（P）等性激素调节的机理。

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Objective: to explore the influences of different waveshapes with electro-acupuncture on the content and the ratioof blood-serum estradiol(E2) and progesterone(P) in delayed-pregnant rats.

目的：探讨电针的不同波形对晚孕大鼠血清雌二醇（E2）、孕酮（P）含量及其比值的影响。

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