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The Contraceptive Injection Stops Reproduction Essay

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MYP Science One World Essay: A Reproductive Technology - The Contraceptive Injection
Introduction:
All around the world, people want to experience sexual intercourse without pregnancy. Women can get pregnant when a sperm fertilizes one of their eggs. Contraception attempts to stop fertilization by either stopping the sperm from reaching the egg or by altering egg production. The contraceptive injection is a long-term method to prevent pregnancy through altering egg production.

How injections work: The injection is injected into a muscle in your bottom or upper arm. Medroxyprogesterone acetate, a progestogen (synthetic progesterone), is released into the bloodstream over the course of eight to twelve weeks (source: Mirena). This stops
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The injection does not interrupt sexual intercourse, unlike barrier contraceptive methods. However, the contraceptive injection uses artificial hormones to prevent pregnancy. This affects the menstrual cycle, as it can take up to one year for fertility to return to normal and up to two years for (source: Family Planning). Once used, the effects are irreversible. Women with specific conditions, such as pregnancy, bleeding after sexual intercourse or between periods, arterial disease, history of heart disease or stroke, thrombosis (blood clot), liver disease, migraines (recurring headache with nausea and disturbed vision), breast cancer or had breast cancer before, diabetes, cirrhosis, liver tumours and risk of osteoporosis (bones become brittle or fragile from loss of tissue), cannot use the injection (source: NHS). There are also several side effects, including weight gain, thinning of bones (due to affected estrogen levels), disrupted ovulation, headaches, acne, dizziness, fatigue, hair loss, tender breasts, mood changes and loss of urge to seek sexual satisfaction (source: NHS). Like all injections, there is a slight risk of infection at the site of injection (source: NHS). An allergic reaction is also possible, but rare (source:
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