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Briefly describe 4 mechanisms by which birth control can be accomplished and list an example of each. Do not submit a blank post- you will not receive credit. Include your references.
Sample Answer
Mechanisms of Birth Control and Examples
Birth control, also known as contraception, refers to methods used to prevent pregnancy. There are several mechanisms by which birth control can be accomplished, each with its own set of advantages and considerations.
1. Hormonal Methods: Hormonal methods work by altering a woman’s hormonal balance to prevent ovulation or fertilization. An example of this is the combination birth control pill, such as Ortho Tri-Cyclen, which contains estrogen and progestin to inhibit ovulation.
2. Barrier Methods: Barrier methods create a physical barrier to prevent sperm from reaching an egg. An example of this is the male condom, such as Trojan or Durex, which is worn over the penis during intercourse to collect semen and block it from entering the vagina.
3. Intrauterine Devices (IUDs): IUDs are small, T-shaped devices inserted into the uterus to prevent pregnancy. They work by altering the cervical mucus and uterine lining, making it difficult for sperm to fertilize an egg. An example of this is the hormonal IUD, Mirena, which releases progestin to prevent pregnancy for up to 5 years.
4. Sterilization: Sterilization involves permanent contraception by blocking or sealing the fallopian tubes in women or the vas deferens in men. An example of female sterilization is tubal ligation, where the fallopian tubes are cut, tied, or blocked to prevent sperm from reaching an egg. Male sterilization, known as a vasectomy, involves cutting or blocking the vas deferens to prevent sperm from being ejaculated.
These mechanisms offer individuals and couples a range of options to choose from based on their preferences and health considerations.
References:
– American College of Obstetricians and Gynecologists. (2019). Barrier Methods of Birth Control. https://www.acog.org/womens-health/faqs/barrier-methods-of-birth-control
– Mayo Clinic. (2020). Birth Control Pills. https://www.mayoclinic.org/tests-procedures/combination-birth-control-pills/about/pac-20385282
– Planned Parenthood. (2017). Intrauterine Device (IUD). https://www.plannedparenthood.org/learn/birth-control/iud
– U.S. Department of Health & Human Services, Office on Women’s Health. (2018). Sterilization for Women and Men. https://www.womenshealth.gov/a-z-topics/sterilization
