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Home Gynecology and Obstetrics

Barrier methods of contraception

Dr.Galal Baligh by Dr.Galal Baligh
May 28, 2020
in Gynecology and Obstetrics
291 12
0
Barrier methods of contraception

Barrier methods of contraception

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Contents hide
1 Mechanism of action:
2 Advantages of barrier methods:
3 Disadvantages of Barrier methods of contraception :
4 Male condom
4.1 Male condom Nature:
4.2 Male condom Use:
4.3 Male condom Advantages:
4.4 Male condom Disadvantages:
5 Female condom
6 Diaphragm
6.1 Diaphragm Nature:
6.2 Diaphragm Use:
6.3 Diaphragm Advantages:
6.4 Diaphragm Disadvantages:
7 Cervical caps
8 Chemical methods “spermicidals”
8.1 Spermicidals Nature:
8.2 Spermicidals Use:
8.3 Spermicidals Mode of action:
8.4 Spermicidals Disadvantages and evaluation:
9 Barrier methods of contraception PPT(power point presentations):
10 Barrier methods of contraception Videos:
10.1 Barrier Method | Reproductive Health | Class 12 | Biology | In Hindi | Magnet Brains video

– Male condom, female condom, diaphragm, & spermicidal are barrier methods.

– Used with every act of sexual intercourse.

– Need skills and communication between partners.

 Mechanism of action:

– Block the passage of sperm physically or chemically.

– Prevent transmission of STDs between partners, benefits.

Advantages of barrier methods:

– Prevention of STDs, including HIV, if condom used correctly.

– Effective as a contraceptive method if used in a correct manner.

– Immediate Return to fertility after stopping method, fertility not delayed.

– Safe, as it has no hormonal or any systemic effect.

– Easy application to start and discontinue.

 

Disadvantages of Barrier methods of contraception :

– Less effective than other modern methods in markets.

– Difficult use according to some people.

– Some methods require partner’s participation.

– Related to the act of coitus itself.

– Proper storage is required to keep the product with good efficacy.

– Need re-supply.

 

Male condom

Male condom Nature:

– A thin rubber covering that fits over the erect penis.

– Is a barrier that keeps sperm out of the vagina.

Male condom Use:

– It is lubricated by spermicidal oil.

– Put a new condom onto erect penis before each sex act.

– Dispose of properly, while penis is still erected.

Male condom Advantages:

1. It is cheap, available and effective if properly used. (failure rate is 5-10/HWY).

2. No systemic effect on lactation or fertility.

3. Non-contraceptive uses of condom:

♦ Prevention of sexually transmitted diseases.

♦ Treatment of immunological infertility.

♦ Treatment of premature ejaculation.

 

Male condom Disadvantages:

1. Decrease sense of pleasure during sex.

2. Weak material and so may tear. (spermicidal applied immediately).

3. Need special storage (avoid heat, humidity and light).

Female condom

– Plastic covering inserted into the vagina before sex.

– Is a barrier that keeps sperm out of the vagina.

– Can prevent STDs including HIV.

– Important to use correctly every time you have sex.

– Make sure penis enters inside the condom ring and stays in during sex.

– Emergency contraceptive pills can be used if condom slips or is not used correctly.

Diaphragm

Diaphragm Nature:

– It is latex cap-shaped, with a metal spring at base “Dutch cap”.

– Metal ring varies in sizes (50-100 mm diameter).

Diaphragm Use:

♦ Should put in a special manner as higher posteriorly than anteriorly with concavity upwards.

♦ woman insert it in standing with one foot on chair.

♦ Left 8 hours after intercourse, to destroy all sperms by vaginal acidity.

Diaphragm Advantages:

♦ It is effective if properly used.

♦ The failure rate is 10/HWY

Diaphragm Disadvantages:

1. Difficult to apply, need special manner.

2. Unsuitable in cases of displacement e.g. prolapse, marked RVF .

3. Some women may have allergy to spermicidals.

 

 Barrier methods of contraception
Barrier methods of contraception

Cervical caps

– Small cup-shaped rubber cap, applied and fixed over cervix by suction.

– Also called French cap.

– Suitable for women with prolapse. – Should be used enriched with spermicidal material.

Chemical methods “spermicidals”

Spermicidals Nature:

– Contraceptive substance that eradicates sperm, – Available as vaginal creams, tablets, foams or sponge.

Spermicidals Use:

– Should administered vaginally prior to act of intercourse (15-30 minutes are sufficient) to allow adequate distribution and proper efficacy.

– Administration is restricted to the following:

1. In combination with other methods e.g. condom or diaphragm.

2. For emergency use in ruptured condom.

Spermicidals Mode of action:

– Eradicate sperms e.g. Nonoxynol-9

Spermicidals Disadvantages and evaluation:

– High failure rate is 30/HWY, not used alone.

– Irritate vagina causing allergic vaginitis.

 Barrier methods of contraception
Barrier methods of contraception

Barrier methods of contraception PPT(power point presentations):

Barrier methods of contraception Videos:

Barrier Method | Reproductive Health | Class 12 | Biology | In Hindi | Magnet Brains video

Tags: ContraceptionDiaphragmFemale condom:Male condomspermicidals
Dr.Galal Baligh

Dr.Galal Baligh

OB-GYN Specialist

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