90
Participants
Start Date
November 30, 2016
Primary Completion Date
September 30, 2018
Study Completion Date
March 31, 2019
Mesenchyme Stem Cells low-dose group
Participants will receive transdermal one dose of 1\*10\^6 cells of Perinatal Tissue Mesenchyme Stem Cells in the gel once a day for continuous three days and then receive transdermal placebo without of Perinatal Tissue Mesenchyme Stem Cells in the gel once a day for continuous next three days.
Mesenchyme Stem Cells high-dose group
Participants will receive transdermal one dose of 1\*10\^6 cells of Perinatal Tissue Mesenchyme Stem Cells in the gel once a day for continuous six days.
Placebo
Participants will receive transdermal placebo without of Perinatal Tissue Mesenchyme Stem Cells in the gel once a day for continuous six days.
Maternal and Child Health Hospital of Foshan, Foshan
Maternal and Child Health Hospital of Foshan
OTHER