Progestogen – injection only
It is a synthetic hormone (progestogen). This creates a supportive endometrium environment for ovulation, cervical or cervical material thickening and fertilization to prevent pregnancy.
- Inject regularly
- The injection should be given every 13 weeks.
- If you cannot go on schedule, please visit the Maternal and Child Health Center within 7 days before the due date. Please do not delay your injection.
- This is a very effective method. Pregnancy rate is less than 1% per year.
- This is convenient for people who do not want to take a pill daily or use a condom when having sex.
- It is suitable for breastfeeding mothers as it does not affect the quantity and quality of breast milk and the health of the baby.
- It does not contain estrogen and is suitable for women who have estrogen
- Headaches, dizziness, and chest pain are the most common side effects in the early stages and usually go away within the first few months.
- Women’s progestogen-only injections can cause weight gain. Women can gain an average of 2.5 kg (5.4 lb) in the first year, and weight gain occurs mainly in the first year.
- The majority of women may have irregular periods, minimal menstrual flow or lack of menstruation, which is related to the effect of the hormone progestogen. This is normal and there is no need to worry. If you continue to have heavy and prolonged periods or have any signs and symptoms of pregnancy after the injection, return to MCHC for diagnosis.
- Generally, it takes 6 to 9 months for ovulation to resume after giving up progestogen-only injections.
Therefore, it takes some time for the fertility to return after stopping the injection.Please get a medical diagnosis as soon as possible if you have any of the following symptoms such as general itching, fainting, headache, feeling weak or trembling / numbness on one side or part of the body, jaundice, abdominal pain, shin Have pain or severe chest pain, and tell your doctor that you are only using progestogen injections.
Effects of bone mineral density
Studies in foreign countries have shown that progestogen injections alone for more than two years can lead to a slight decrease in bone mineral density. When discontinued, the mineral density is restored in women between the ages of 18 and 45. There is no evidence that progestogen injections alone increase the risk of bone fractures.
For more information, please refer to our booklet “Osteoporosis in Women” and “Your Calcium Needs”.
Used for more than two years
If you have only used progestogen injections for more than two years, our medical or nursing staff will review your health condition (such as heart disease, stroke, high blood pressure, hypertension) , Migraine, diabetes mellitus, liver disease, cancer, bone disease which requires long-term medication and regular follow-up) before advising that you are only fit to use progestogen injections.