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Progesterone Implant


  • It is recommended to wait at least 12 months between pregnancies to reduce the risk of preterm birth, low birthweight and still birth
  • Pregnancy is possible 21 days after the birth of a baby and many unplanned pregnancies occur soon after childbirth
  • Suitable contraception is advised to be established by this point
  • Progesterone implant is safe for most women and safe with breast feeding


  • 99% effective
  • Small plastic rod inserted into the arm under local anaesthetic
  • Lasts for 3 years


  • Don’t have to remember to take pill daily
  • Can be removed if you have side effects
  • May improve heavy, painful periods
  • If fitted before day 21 after the birth you are immediately protected
  • Fertility returns to normal quickly when it is removed


  • Requires a small procedure to be inserted
  • Can feel bruised when it is first inserted
  • Temporary side effects – headaches, nausea, breast tenderness and mood swings
  • Periods may change
  • You may get acne or acne may get worse
  • Does not protect against Sexually transmitted infections

May not be suitable if you

  • Take medicines that may affect implant such as those for epilepsy, HIV, some antibiotics and St Johns Wort
  • Have a history of heart disease and stroke
  • Have liver disease
  • Have/had Breast cancer


  • Rarely the area can become infected requiring antibiotics
  • Inform a healthcare professional if:
  • You cannot feel implant
  • If feels like it has changed shape
  • Skin changes or pain at site
  • You become pregnant

Periods & Bleeding

  • ¼ will have regular periods
  • 1/3 will have irregular bleeding
  • 1/5 will have no bleeding
  • ¼ will have prolonged or frequent bleeding