Mesigyna is an injectable hormonal contraceptive that can be applied once a month and is composed of norethisterone enanthate and estradiol valerate, two hormones that inhibit ovulation during the fertile period and, therefore, is indicated for preventing unwanted pregnancy. .
This medication is slowly released into the bloodstream and, therefore, a monthly injection is sufficient to maintain its contraceptive effect during this time.
Mesigyna must be administered by a healthcare professional and can be purchased in pharmacies upon presentation of a medical prescription.
What is it for
Mesigyna exerts an ovulation inhibitory effect, in addition to promoting changes in cervical mucus and endometrial morphology, being a contraceptive method applied monthly to prevent pregnancy.
Before using this contraceptive method, it is important that a doctor is consulted so that a more detailed gynecological evaluation can be carried out.
How to use
Mesigyna should be administered deep intramuscularly, preferably in the gluteal region or arm, every 30 days. However, it can be applied 3 days before or 3 days after the last time it was administered, that is, after 27 or 33 days at the most.
The first injection should be administered on the first day of menstruation, if the woman is not using any contraceptive method. If the woman is switching from a vaginal ring or transdermal patch, the injection should preferably be applied on the same day as these contraceptive methods are withdrawn.
Furthermore, if you are using the minipill, you can apply the mesigyna injection on any day. In the case of a subdermal implant or progestin-releasing intrauterine device (IUD), the injection must be performed on the day of removal. If you are using another contraceptive method, you can use it on the same day as the old method.
In either case, it is recommended to use a condom during the first 7 days after applying the injection.
Who shouldn’t use
Mesigyna should not be used in women with hypersensitivity to any of the components of the formula, with a history of thrombosis or pulmonary embolism, heart attack or stroke, presence of high risk for clot formation, history of severe migraine, diabetes mellitus with vessel damage blood, history of liver disease or tumor, history of cancer that can develop due to sexual hormones.
This contraceptive should also not be used in cases of unexplained vaginal bleeding, pregnancy or suspected pregnancy and during the lactation period.
Furthermore, mesigyna should be used with caution in people with a history of heart problems, varicose veins, hypertension, multiple sclerosis, porphyria, epilepsy, a history of phlebitis and otosclerosis.
Learn about other contraceptive methods used to prevent pregnancy.
Possible side effects
The most common side effects that may occur during treatment with mesigyna are nausea, abdominal pain, increase in body weight, headache, depression or mood changes and pain and hypersensitivity in the breasts.
In addition, although it is rarer, vomiting, diarrhea, fluid retention, migraine, decreased sexual desire, increased breast size, rash and hives may also occur.
Common questions about mesigyna
Some common questions about this contraceptive method are:
1. Does mesigyna make you fat?
One of the most common side effects caused by mesigyna is weight gain and, therefore, it is possible for some women to gain weight while using it.
2. What happens if I forget the injection?
If the mesigyna injection is not administered within a maximum of 33 days after the last injection, it is recommended to use a condom, as there is a risk of pregnancy.
3. How effective is this contraceptive method?
Just like the contraceptive pill, mesigyna is 99% effective when used correctly, that is, without delays or forgetfulness, so the probability of pregnancy is very low.
4. Is it normal to have bleeding after the injection?
Yes, it is normal to experience vaginal bleeding 1 or 2 weeks after the first mesigyna injection and, in general, it occurs every 30 days.
5. What are the advantages and disadvantages of mesigyna?
The advantage of mesigyna is the regulation of the menstrual cycle and relief of PMS symptoms. Furthermore, as it is a monthly injectable contraceptive, using this contraceptive method is easier.
On the other hand, mesigyna can cause nausea and abdominal pain, as well as promoting weight gain.
