Page 332 - كتاب تمريض نسا الاكتروني

330

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.

330