Page 350 - ترم ثاني كتاب تمريض صحة الام الكتروني
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               Introduction

                ➢  Chemical  methods  of  contraception  as  sponges,  creams,  jell,  foams  and

                    suppositories are substances administered into the vagina before intercourse.



                ➢  After insertion of them, there is burning sensation ,irritation of vaginal mucosa

                    and change vaginal fluid "PH" to strong acid (acidity) that is inappropriate to

                    sperm life.



               Definition of Chemical Methods


                ➢  It's a chemical substance which interfere with sperm viability and prevent sperm
                    from entering the cervix.




               Mechanism of Action of Chemical Methods

                 ➢  Chemical methods provide physical and chemical barrier that prevent viable

                     sperm from entering the cervix as blocking the passages of sperm.


                 ➢  Effect is local within the vagina once the spermicidal placed deep in the vagina

                     before each incidence of coitus.



               Indications of Chemical Methods




                  1.  Adjacent  to  mechanical  contraceptive method:  e.g:  diaphragm  and  cervical
                      cap.



                  2.  Woman who uses temporary hormonal method such as: pills.

                  3.  Woman Who needs to increase vaginal lubricant or secretion.










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