Serum FSH, LH, PRL, E2, and P values were determined by RIA. The results showed that the reproductive endocrinological profiles in the subjects before and after wearing LNG-Cu-IUD did not change markedly.

• 采用放射免疫方法测定标本中促卵泡激素(FSH)、黄体生成素(LH)、催乳素(PRL)、雌二醇(E_2)及孕酮(P)值.