A nurse is caring for a client who is considering several methods of contraception. Which of the following methods of contraception should the nurse identify as being most reliable?
An intrauterine device (IUD).
An oral contraceptive.
A male condom.
A diaphragm with spermicide.
The Correct Answer is A
Choice A rationale
An intrauterine device (IUD) is one of the most reliable methods of contraception. It is a small, T-shaped device inserted into the uterus by a healthcare provider. IUDs can be hormonal or non-hormonal (copper). Hormonal IUDs release progestin, which thickens cervical mucus to prevent sperm from reaching the egg and thins the uterine lining to prevent implantation. Copper IUDs release copper ions, which are toxic to sperm. Both types of IUDs are over 99% effective and can last for several years, making them a highly reliable form of contraception.
Choice B rationale
Oral contraceptives, commonly known as birth control pills, are also effective but require daily adherence. They contain hormones (estrogen and progestin) that prevent ovulation, thicken cervical mucus, and thin the uterine lining. However, their effectiveness can decrease with missed doses, certain medications, or gastrointestinal disturbances. With typical use, their effectiveness is around 91%, meaning 9 out of 100 women may become pregnant each year.
Choice C rationale
Male condoms are a barrier method of contraception that prevent sperm from entering the uterus. They are also effective in preventing sexually transmitted infections (STIs). However, their effectiveness can be compromised by improper use, breakage, or slippage. With typical use, male condoms are about 85% effective, meaning 15 out of 100 women may become pregnant each year.
Choice D rationale
A diaphragm with spermicide is a barrier method of contraception. The diaphragm is a shallow, dome-shaped cup inserted into the vagina to cover the cervix, and spermicide is applied to kill sperm. Its effectiveness depends on correct and consistent use. With typical use, diaphragms are about 88% effective, meaning 12 out of 100 women may become pregnant each year. Additionally, diaphragms do not protect against STIs.
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Correct Answer is D
Explanation
Choice A rationale
Using a bladder scanner to assess for urinary retention is a non-invasive and appropriate intervention. It helps determine the volume of urine in the bladder and can guide further management. This method avoids unnecessary catheterization and reduces the risk of infection.
Choice B rationale
Catheterizing to empty the bladder is a common intervention for urinary retention. However, it should be done with caution and only when necessary to avoid the risk of infection. In this scenario, it is not contraindicated but should be considered after other non-invasive methods have been tried.
Choice C rationale
Placing peppermint oil on a cotton ball and placing it in the urinary “hat” while the client is on the toilet is a non-invasive method that can help stimulate urination through the scent of peppermint. This method is safe and can be effective for some clients.
Choice D rationale
Assisting the client back to bed and telling her to try to void again in 2 hours is contraindicated because it delays the intervention for a distended bladder. A distended bladder can cause discomfort and potential complications, so timely intervention is necessary.
Correct Answer is D
Explanation
Choice A rationale
An increase in lochia is not an indicator of the effectiveness of oxytocin. Lochia is the vaginal discharge after childbirth and its amount can vary.
Choice B rationale
The absence of breast pain is not related to the effectiveness of oxytocin, which is used to prevent postpartum hemorrhage by promoting uterine contractions.
Choice C rationale
An increase in blood pressure is not an expected outcome of oxytocin administration. Oxytocin primarily affects the uterus.
Choice D rationale
A firm fundus to palpation indicates that the uterus is contracting effectively, which is the desired effect of oxytocin administration to prevent postpartum hemorrhage.