Progestogen-only injectable contraceptives

Progestogen-only injectable contraceptives

The most commonly used D-medroxyprogesterone acetate (DMPA)-names: Depo-Provera, Megestron.

There injectable contraceptive containing a progestogen derived another, cloud-etisteron enanthate (NET-EN) - names: Norysterat, Doryxas.
in Romania is currently used DMPA, as well as in most European countries and the USA.

Mechanism of action
- Prevents ovulation;
- Thickens cervical mucus.

Efficiency
Very high: 0, 3 pregnancies per 100 women in first year of use, if the administration is correct.

Reversibility
Return of fertility may occur with some delay (average of four months longer than when using other methods).
 Progestogen-only injectable contraceptives
Directions
It makes one injection every 3 months (2 months for NET-EN products).

Important:
- With cap bottles stored up to avoid precipitation of content on the inside of the cap;
- Shake vial well before they aspire vial contents, check the entire contents extraction;
- To avoid losing content when air syringe disposal;
- Injection is deep intramuscular (gluteal or deltoid muscle in);
- Do not rub the injection site.

To avoid unpleasant aspects related to Depo-Provera injection technique, there were special syringe, with which the administration to avoid mistakes that can result in failure of the method (auto-disposable syringes).

If you can not do injection administration scheduled date (every three months), the injection can be made 2 weeks earlier or later.

If she delayed injection administration over 2 weeks, it is necessary to avoid intercourse or use another method until you can return to the office.
 Progestogen-only injectable contraceptives
How to start using the contraceptive injection:
- After giving birth
- If the woman breastfeeding - starting 6 weeks after birth (PF methods is necessary to use a woman breast-feeding if all or if menstruation returned or if the child is over 6 months);
- If a woman does not breastfeed may start at any time within 6 weeks, without waiting menstruation, or at any time after 6 weeks, if not be sure pregnant.
- After Abortion
- Immediately or within 7 days after I or II trimester abortion;
- At any time later, if she is sure she is not pregnant.
- If the woman is menstruating
- In the first 7 days of the menstrual cycle, there is no need to use an additional method;
- At any time during the cycle is safe if she is not pregnant, requires the use of additional methods (condoms or spermicides) during the first 2 days after injection.
- Immediately after the correct use of other effective methods of contraception
 Progestogen-only injectable contraceptives
Side effects
- Changes in menstrual cycles: intermenstrual bleeding, spotting, amenorrhea;
- Weight gain (mean 2.1 kg / year);
- Acne;
- Headache;
- Feeling of tension in the breasts.