Contraceptive patch
This method is also known as a “contraceptive patch” or “transdermal patch”. or “transdermal patch”.
Composition: The beige 4 x 4 cm contraceptive patch attaches to the skin, releasing estrogen and progestin into the bloodstream.
Efficiency: 91% typical use, 99.7% perfect use
Cost: Approximately $23 per month. Prices may vary by location.
How it works:
- Prevents ovum release
- Thickens cervical mucus to block spermatozoa
- Thins the lining of the uterus, making it difficult for the egg to implant
Instructions for use: The contraceptive patch is attached to the arm, lower back, shoulder blade or lower abdomen, and must be changed every week for 3 weeks. In the fourth week, it is removed to allow menstruation. Respect the 7-day break-in period to maintain its effectiveness, and alternate application areas to avoid irritation.
Where can I buy it? A prescription is required to use this method of contraception. Consult your physician, pharmacist‧ne, CLSC, medical clinic, S.O.S. Pregnancy nurse, or certain‧e‧s school nurse‧s for this prescription.
Benefits
- Highly efficient, reversible and safe
- No need to interrupt sexual relations
- Can reduce cramps, menstrual flow and premenstrual symptoms
- Helps regulate the cycle and reduces the risk of endometrial, ovarian and colon cancer, as well as ovarian fibroids and cysts.
Disadvantages
- May cause light or irregular bleeding
- Breast tenderness, nausea, headaches and skin irritation may occur.
- May be less effective in people weighing over 198 lb (90 kg)
- May increase the risk of blood clots, especially in those with blood disorders or a family history of blood clots.
- It is not recommended for people who cannot take estrogen, who are breast-feeding, who smoke or who are over 35 years of age
- Does not protect against STIs
FAQ
Is it possible to use the contraceptive patch continuously?
Yes, by using the continuous contraceptive patch, you install a new patch every week without a break, thus suppressing menstruation. This method is safe for prolonged use or for specific periods such as travel.
Is it possible to shower with the contraceptive patch?
Yes, you can shower, bathe or go swimming wearing the contraceptive patch. It is very adherent and water should not cause it to come off. If the patch comes off, contact your pharmacist‧ne for instructions.
Is it possible to change the application site every week?
Yes, it’s advisable to alternate application areas to avoid skin irritation, limiting yourself to the arm, shoulder blade, lower abdomen or lower back.
Is it possible for the contraceptive patch to peel off the skin?
This can happen, but is very rare (less than 2% of cases). If this happens, consult your pharmacist‧ne.
I’m at the very end of my patch-free week and still have my period. Should I wait until my period is over before applying a new contraceptive patch?
No, it’s important to respect the 7-day patch-free period. If you’re still menstruating on day 7, apply a new patch the next day. Stopping for more than 7 days may reduce its effectiveness.
Is it true that it can take several months to become pregnant after stopping the use of the contraceptive patch?
After stopping the contraceptive patch, it is possible to become pregnant on the next ovulation in the following weeks.
What factors could reduce the effectiveness of the contraceptive patch?
Delayed or forgotten replacement of the patch, incorrect application, or a patch that has been detached for a long time may affect its effectiveness. It is not generally prescribed for people over 198 lbs due to hormone absorption. If you have any problems, contact your pharmacist‧ne.
Is the contraceptive patch effective from the first day of use?
Wait 7 days for the contraceptive patch to become fully effective. During this time, use a non-hormonal method of contraception, such as a condom.
What to do if there is bleeding between periods?
CoContinue to use the contraceptive patch even in the event of bleeding between periods (spotting) to maintain its effectiveness. If you have any concerns, consult a‧e healthcare professional‧le.
Sources: Ça se planifie. A guide to choosing the right contraception, on The Society of Obstetricians and Gynaecologists of Canada (SOGC). Available at: https: //www.caseplanifie.ca/ (consulted on 08-2024).
