title: [Low-energy semiconductor laser intranasal irradiation of the blood improves blood coagulation status in normal pregnancy at term].
abstract: OBJECTIVE
  To explore the effect of low-energy semiconductor laser intranasal irradiation of the blood on blood coagulation status in healthy pregnant women at term.
  
  
  METHODS
  Low-energy semiconductor laser was introduced into the nasal cavity in 126 healthy pregnant women at term and 123 healthy young unmarried women as the control group. The plasma prothrombin time (PT), activated partial thromboplastin time (APTT), thrombin time (TT), and fibrinogen levels were examined using transmissive turbidimetry after the therapy.
  
  
  RESULTS
  PT, APTT and TT levels were significantly lowered, whereas fibrinogen level significantly increased in the healthy pregnant women before the laser therapy as compared with those in the control group (P<0.01). After intranasal laser therapy, these parameters were significantly improved in the healthy pregnant women (P<0.05) although there were differences from those of the control group.
  
  
  CONCLUSIONS
  Low-energy semiconductor laser intranasal irradiation of the blood can effectively improve high blood coagulation status in healthy pregnant women at term.
authors.affiliation: Department of Obstetrics and Gynecology, Tung Wah Hospital Affiliated to Sun Yat-sen University, Dongguang 523110, China. flyhighlucky@gmail.com
authors.forename: Xiang
authors.initials: X
authors.lastname: Gao
authors.forename: Peng-ke
authors.initials: PK
authors.lastname: Zhi
authors.forename: Xiu-juan
authors.initials: XJ
authors.lastname: Wu