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Birth Control
Kalyan Mondal
Email: kalyanmondal.cu@gmail.com
Birth Control
Birth control is the use of any practices, methods
or device to prevent pregnancy from occuring in a
sexually active woman.Also reffered to as family
planning,pregnancy prevention,fertility control, or
contrception; birth control methods are designed
either to prevent fertilization of an egg or
implantation of a fertilized egg in the uterus.
Birth control/Contraceptive
Methods-
• Oral medication
• Intrauterine device
• Mechanical barriers
• Chemical barriers
• Rhythm methods(fertility awareness)
• Sterilization
• Abortion
Oral medication
The pill- combinations of estrogen and progestin (synthetic
progesterone-like hormone).Estrogen doses range from 0-150
micrograms;progestin from 0.35-10 milligrams.
How it works-
Suppresses ovulation by acting on pituitary gland. Conception not possible if no
egg matures.
If doses is inadequate or pill is not taken as directed, ovulation may occur.
More than effective.
Easy to use.
Dissociated from sex act.
Bleeding cycles are predictable.
Nausea, breast tenderness, weight gain.
Thrombus formation, pulmonary
embolus,thrombophlebitis,hypertension.
Should not be used if woman has hypertension,sickle cell
deases,diabetes,migraine headaches.
Above
99%
99%
Progestin only(norethindrone or norgestrel daily)
How it works-
Antifertility effect.
Makes cevical mucus impervious to sperm and / or alters
endometrium, interfering with implantation.
Ovulation occurs sporadically.
0.35mg
Mini-pill
Advantages-
Reduces side effects with other oral preparations.
Disadvantages and side effects-
Bleeding irregularly and spotting are common.
Less effective than combination pills.
Effectiveness-
97-98%
Intrauterine device(IUD)
The following are made of flexible molded plastic:
. (which release
minute amounts of copper which has an antifertility
effect).Progestasert(which releases progestin in to the
uterus).
Lipper's Loop, Safe-T-Coil, Cu-7
Advantages-
No interference with hormonal regulation of menstrual cycle.
No need to remember to take a pill each day or engage in other manipulation
prior to coitus.
May be removed by physian when pregnancy desired
How it woks-
Interferes with fertilization.
Alters rate of egg passage through the fellopian tube. Or
Discourages implantation by altering endometrium.
Disadvantages and side effects-
Expulsion may go unnoticed.
Hazards- uterine perforation with intra- abdominal trauma and /
or intra uterine and fallopian infection.
Side effects-
Heavy flow, spotting between periods and crumping, especially
during early month of use.
women fitted each year have to abandon use; expulsion rate
, rate of medical removal because of complications
Ectopic pregnancy might still occur,especially with ‘bio-
active”IUDs.
Effectiveness-
effective during first year.
User must check for presence of IUD after each menstrual cycle.
25%
3-15% 5-20%
97-98%
Mechanical barriers-
*Diaphragm-
Rubber device that fits over cervix; should be used with
spermicide.
How it works-
*Barrier prevents sperm from entering cervix if it is
correct size and correctly placed; re fitted for size after
each baby, weight gain or loss and over every two years.
*Diaphragm holds spermicide in place over cervix.
Advantages-
*Safety- no side effects.
*May be inserted several hours before intercourse and is
left in place at least 6-8 hours afterwards.
Disadvantages and side effects-
*Some women find insertion and removal objectionable.
*Required washing with warm water and soap ; careful
drying, storage away from haet,and checking for tears.
Effectiveness-
*Effectiveness usually given as or more if
spermicide is used,consistently and extra spermicide
added before coitus.
75-90%
Condom-
Thin strechable rubber sheath to cover the penis.
How it works-
*Barrier prevents sperm from entering the vagina.
*Is applied over the erect pennis.
Advantages-
*Safety- no side effects.
*Protective measure against venereal disease.
*No prescription needed.
Disadvantages and side effects-
*Some couples object to taking time to apply sheath on
erect penis.
*Pre-ejaculatory drpos also contain sperm; conception
possible even if drops fall around external vaginal
opening.
*Some users feel decreases sensation.
Effectiveness-
*Effectiveness usually given as but can be up to
if carefully used.
80-85%
97%
Chemical barriers-
*Spermicide (e.g. )-
Foam, jelly,cream,vajinal suppository.
How it works-
*Kills sperm.
*Decrease sperm motility.
*Sperm cannot pass through chemical barrier.
Nonoxynol 9
Advantages-
*Safety- no systemic side effects.
*Increases effectiveness of mechanical barriers.
*Easy to use.
*Aids lubrication of vagina.
*No prescription is needed.
Disadvantages and side effects-
*Described as “messy” by some.
*Each coitus should be preceded by a fresh application.
*Some products irritate user and partner.
Effectiveness-
*Actual effectiveness may be only when used without
diaphragm or condom.
70-80%
Rhythm methods(fertility awareness)-
*Temperature method-
Rectal or oral temperature taken with basal thermometer each
morning before any physical activity.
How it works-
*Body temperature varies with stage in ovulatory cycle.
*Conception is avoided by sexual abstinence during woman’s fertile
period;no sperm may be present while egg is present.
Advantages-
*Physically safe to use-no drugs and appliances are used.
*Meets requirements of some religions.
Disadvantages and side effects-
*Effectiveness depends on the following:
High level of motivation and high diligence,daily temperature
taking and record keeping duration childbearing years and
willingness to abstain.
*Requires fairly predictable menstrual cycle.
*Irregular cycles require long periods of abstinence.
*Ovulation may occur at atypical times.
Effectiveness-
*
*Temperature varies with tension,infection,lack of sleep or any
prior activity.
*Effectiveness may be increase by checking cervical mucus
.
60-80%
Mucus method-
Sample of cervical mucus is examined each day for viscosity and
color.
How it works-
*Identifies fertile period by recognizing changes in cervical
mucus.
*Sexual abstinence during fertile period.
Advantages-
*Physically safe.
*Acceptable to certain religions.
Disadvantages and side effects-
*Requires couple to recognize cervical changes and engage in the
manipulation necessary to sample mucus.
Effectiveness-
* effectiveness claimed for highly motivated couples.
95%
Sterilization
Vasectomy- the cutting of the vas deferens the tubes that usually
carry sperm from the testicles in to the urethra for ejaculation.
cutting
Disadvantage-
The man usually experiences some pain, swelling, and
discoloration for about a week. More serious complications,
including formation of blood clot in the scrotum.
Effectiveness- 99.8%
Injection
• Safe
• Hormone injection given every 2 months
(NET-EN) or 3 months (DMPA)
• Very effective when injections are on time
• Use can be kept private
What it is
– Hormone injection.
– Prevents release of egg.
How to use
– Get an injection every 2 months (NET-EN) or 3 months
(DMPA).
– If breastfeeding, can start 6 weeks after childbirth.
– Works best if you get your injections on time.
If late for an injection:
– DMPA: Can still get an injection up to 4 weeks late.
– NET-EN: Can still get an injection up to 2 weeks late.
If later, use condoms and return for an injection as soon as
possible.
Injection
What to expect
– Irregular bleeding at first, then spotting or no monthly bleeding.
This is common and safe.
– Possible slight weight change.
– After stopping injections, it can take several months to become
pregnant.
Key points
– Does not cause infertility.
– Be sure to get next injection on time.
– Use condoms if you need protection from STIs or HIV/AIDS.
Injection
Breastfeeding method
Lactational Amenorrhea Method (LAM)
• Safe with no side-effects
• Effective if:
- you are breastfeeding often, day and
night, and giving no other food or liquids
- your baby is less than 6 months old, and
- your monthly bleeding has not returned.
Breastfeeding method
(Lactational Amenorrhea Method)
What it is
– Breastfeeding in a way that prevents pregnancy.
– Prevents release of egg.
How to use:
– Breastfeed often, day and night (breastfeed fully or nearly
fully) and give no other food or liquids.
– If you breastfeed less, your monthly bleeding starts, or it is 6
months after you have had your baby,
the method will not work.
Tubal ligation
In this process fallopian tube is tied and cut
to prevent carrying ovum to uterus. The
operation can be performed by a skilled
physician in
Cutting/blocking
10-30 min.
Abortion method
Abortion is not a form of contraception but an alternative to
the delivery of an unwanted child. Abortion is too risky, too
expensive, and too complex a procedure.
Birth Control_ Human Reproductive System
Birth Control_ Human Reproductive System
Birth Control_ Human Reproductive System

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Birth Control_ Human Reproductive System

  • 1. to Birth Control Kalyan Mondal Email: kalyanmondal.cu@gmail.com
  • 2. Birth Control Birth control is the use of any practices, methods or device to prevent pregnancy from occuring in a sexually active woman.Also reffered to as family planning,pregnancy prevention,fertility control, or contrception; birth control methods are designed either to prevent fertilization of an egg or implantation of a fertilized egg in the uterus.
  • 3. Birth control/Contraceptive Methods- • Oral medication • Intrauterine device • Mechanical barriers • Chemical barriers • Rhythm methods(fertility awareness) • Sterilization • Abortion
  • 4. Oral medication The pill- combinations of estrogen and progestin (synthetic progesterone-like hormone).Estrogen doses range from 0-150 micrograms;progestin from 0.35-10 milligrams. How it works- Suppresses ovulation by acting on pituitary gland. Conception not possible if no egg matures. If doses is inadequate or pill is not taken as directed, ovulation may occur.
  • 5. More than effective. Easy to use. Dissociated from sex act. Bleeding cycles are predictable. Nausea, breast tenderness, weight gain. Thrombus formation, pulmonary embolus,thrombophlebitis,hypertension. Should not be used if woman has hypertension,sickle cell deases,diabetes,migraine headaches. Above 99% 99%
  • 6. Progestin only(norethindrone or norgestrel daily) How it works- Antifertility effect. Makes cevical mucus impervious to sperm and / or alters endometrium, interfering with implantation. Ovulation occurs sporadically. 0.35mg Mini-pill
  • 7. Advantages- Reduces side effects with other oral preparations. Disadvantages and side effects- Bleeding irregularly and spotting are common. Less effective than combination pills. Effectiveness- 97-98%
  • 8. Intrauterine device(IUD) The following are made of flexible molded plastic: . (which release minute amounts of copper which has an antifertility effect).Progestasert(which releases progestin in to the uterus). Lipper's Loop, Safe-T-Coil, Cu-7
  • 9. Advantages- No interference with hormonal regulation of menstrual cycle. No need to remember to take a pill each day or engage in other manipulation prior to coitus. May be removed by physian when pregnancy desired How it woks- Interferes with fertilization. Alters rate of egg passage through the fellopian tube. Or Discourages implantation by altering endometrium.
  • 10. Disadvantages and side effects- Expulsion may go unnoticed. Hazards- uterine perforation with intra- abdominal trauma and / or intra uterine and fallopian infection. Side effects- Heavy flow, spotting between periods and crumping, especially during early month of use. women fitted each year have to abandon use; expulsion rate , rate of medical removal because of complications Ectopic pregnancy might still occur,especially with ‘bio- active”IUDs. Effectiveness- effective during first year. User must check for presence of IUD after each menstrual cycle. 25% 3-15% 5-20% 97-98%
  • 11. Mechanical barriers- *Diaphragm- Rubber device that fits over cervix; should be used with spermicide. How it works- *Barrier prevents sperm from entering cervix if it is correct size and correctly placed; re fitted for size after each baby, weight gain or loss and over every two years. *Diaphragm holds spermicide in place over cervix.
  • 12. Advantages- *Safety- no side effects. *May be inserted several hours before intercourse and is left in place at least 6-8 hours afterwards. Disadvantages and side effects- *Some women find insertion and removal objectionable. *Required washing with warm water and soap ; careful drying, storage away from haet,and checking for tears. Effectiveness- *Effectiveness usually given as or more if spermicide is used,consistently and extra spermicide added before coitus. 75-90%
  • 13. Condom- Thin strechable rubber sheath to cover the penis. How it works- *Barrier prevents sperm from entering the vagina. *Is applied over the erect pennis.
  • 14. Advantages- *Safety- no side effects. *Protective measure against venereal disease. *No prescription needed. Disadvantages and side effects- *Some couples object to taking time to apply sheath on erect penis. *Pre-ejaculatory drpos also contain sperm; conception possible even if drops fall around external vaginal opening. *Some users feel decreases sensation. Effectiveness- *Effectiveness usually given as but can be up to if carefully used. 80-85% 97%
  • 15. Chemical barriers- *Spermicide (e.g. )- Foam, jelly,cream,vajinal suppository. How it works- *Kills sperm. *Decrease sperm motility. *Sperm cannot pass through chemical barrier. Nonoxynol 9
  • 16. Advantages- *Safety- no systemic side effects. *Increases effectiveness of mechanical barriers. *Easy to use. *Aids lubrication of vagina. *No prescription is needed. Disadvantages and side effects- *Described as “messy” by some. *Each coitus should be preceded by a fresh application. *Some products irritate user and partner. Effectiveness- *Actual effectiveness may be only when used without diaphragm or condom. 70-80%
  • 17. Rhythm methods(fertility awareness)- *Temperature method- Rectal or oral temperature taken with basal thermometer each morning before any physical activity. How it works- *Body temperature varies with stage in ovulatory cycle. *Conception is avoided by sexual abstinence during woman’s fertile period;no sperm may be present while egg is present.
  • 18. Advantages- *Physically safe to use-no drugs and appliances are used. *Meets requirements of some religions. Disadvantages and side effects- *Effectiveness depends on the following: High level of motivation and high diligence,daily temperature taking and record keeping duration childbearing years and willingness to abstain. *Requires fairly predictable menstrual cycle. *Irregular cycles require long periods of abstinence. *Ovulation may occur at atypical times. Effectiveness- * *Temperature varies with tension,infection,lack of sleep or any prior activity. *Effectiveness may be increase by checking cervical mucus . 60-80%
  • 19. Mucus method- Sample of cervical mucus is examined each day for viscosity and color. How it works- *Identifies fertile period by recognizing changes in cervical mucus. *Sexual abstinence during fertile period.
  • 20. Advantages- *Physically safe. *Acceptable to certain religions. Disadvantages and side effects- *Requires couple to recognize cervical changes and engage in the manipulation necessary to sample mucus. Effectiveness- * effectiveness claimed for highly motivated couples. 95%
  • 21. Sterilization Vasectomy- the cutting of the vas deferens the tubes that usually carry sperm from the testicles in to the urethra for ejaculation. cutting
  • 22. Disadvantage- The man usually experiences some pain, swelling, and discoloration for about a week. More serious complications, including formation of blood clot in the scrotum. Effectiveness- 99.8%
  • 23.
  • 24. Injection • Safe • Hormone injection given every 2 months (NET-EN) or 3 months (DMPA) • Very effective when injections are on time • Use can be kept private
  • 25. What it is – Hormone injection. – Prevents release of egg. How to use – Get an injection every 2 months (NET-EN) or 3 months (DMPA). – If breastfeeding, can start 6 weeks after childbirth. – Works best if you get your injections on time. If late for an injection: – DMPA: Can still get an injection up to 4 weeks late. – NET-EN: Can still get an injection up to 2 weeks late. If later, use condoms and return for an injection as soon as possible. Injection
  • 26. What to expect – Irregular bleeding at first, then spotting or no monthly bleeding. This is common and safe. – Possible slight weight change. – After stopping injections, it can take several months to become pregnant. Key points – Does not cause infertility. – Be sure to get next injection on time. – Use condoms if you need protection from STIs or HIV/AIDS. Injection
  • 27. Breastfeeding method Lactational Amenorrhea Method (LAM) • Safe with no side-effects • Effective if: - you are breastfeeding often, day and night, and giving no other food or liquids - your baby is less than 6 months old, and - your monthly bleeding has not returned.
  • 28. Breastfeeding method (Lactational Amenorrhea Method) What it is – Breastfeeding in a way that prevents pregnancy. – Prevents release of egg. How to use: – Breastfeed often, day and night (breastfeed fully or nearly fully) and give no other food or liquids. – If you breastfeed less, your monthly bleeding starts, or it is 6 months after you have had your baby, the method will not work.
  • 29.
  • 30. Tubal ligation In this process fallopian tube is tied and cut to prevent carrying ovum to uterus. The operation can be performed by a skilled physician in Cutting/blocking 10-30 min.
  • 31.
  • 32. Abortion method Abortion is not a form of contraception but an alternative to the delivery of an unwanted child. Abortion is too risky, too expensive, and too complex a procedure.