Kanebo, Limited

Tadaaki Kamata

Isamu Utsumi

Tomio Endo

Masayasu Ando

A new use of dehydroepiandrosterone sulfate or its salt as a parturient canal conditioning agent is disclosed. The maturity of the parturient canal and the sensitivity of uterine musculature to oxytocin are improved resulting in normal parturition by administering to a pregnant human subject at the 37th to 39th week of pregnancy a therapeutically effective amount of dehydroepiandrosterone sulfate or its pharmaceutically acceptable salts such as the sodium salt.

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Ibaraki, Japan

Tadaaki Kamata