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  1. #1
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    Default implanon and milk supply

    has anyone experienced or heard of the implanon contraceptive having an effect on milk supply?
    im waiting untill 8 weeks before i get it inserted.
    i had it put in at 6weeks after my first baby and wondering if it was also a contributor to my low supply then. I have no supply issues atm and feel my suppy is pretty much established and bub's is feeding a little more on a predictive schedule most days. i just dont want so screw it up by getting the implanon if it's known to impact supply. i already have the script and have the rod. Im a little anxious about making the appt to get it put in.
    Should i be waiting for an af?...that could be months away?

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    Default implanon and milk supply

    I had the implanon after I had my twins, it had no effect on my supply whatsoever

  3. The Following User Says Thank You to MrsOhara For This Useful Post:

    Little Miss Muffet  (23-02-2013)

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    Are you exclusively breastfeeding (ie no bottles (even ebm) or formula)?

    If you are exclusively breastfeeding, your baby is less than 6 months old and you have not yet had a period then breastfeeding gives the same level of success as contraception as hormonal methods.

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    im 100% sure im not pregnant. im just wondering about it's effect on milk supply.


    Thanks MrsOhara.

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    This info is from LACTMed and is on research into implanon.

    Drug Levels and
    Effects:


    Summary of Use during
    Lactation:

    Etonogestrel is
    available in the United States in a combination contraceptive vaginal ring
    (NuvaRing) that releases 120 mcg of etonogestrel and 15 mcg of ethinyl estradiol
    daily, and a subcutaneous implant (Implanon, Nexplanon) that releases etonogestrel at a decreasing rate over a
    3-year period.

    The etonogestrel
    implant can be inserted as early as 4 weeks postpartum in nursing mothers. Based
    on the available evidence, expert opinion in the United States holds that the
    risks of combination contraceptive products usually outweigh the benefits before
    4 weeks postpartum. Between 4 weeks and 6 months postpartum, the advantages of
    using the method generally outweigh the theoretical or proven risks, although
    the evidence of lack of effect on lactation is poor and does not include preterm
    or ill infants.[1] After 6 months postpartum, combination contraceptives,
    including oral tablets, the transdermal patch and vaginal ring, can be used, but
    progestin-only methods are preferred if breastfeeding will be
    continued.[1][2]


    Drug Levels:
    Maternal
    Levels.
    Forty-two women had an etonogestrel subcutaneous implant inserted
    implant inserted between 28 and 56 days postpartum. Breastmilk samples were
    obtained at 1, 2 and 4 months after insertion. The average breastmilk
    concentration of etonogestrel was 178
    ng/L at 1 month, 153 ng/L at 2 months, and 131 ng/L at 4 months after insertion.
    The authors calculated that the infants would receive an average of 19.9 ng/kg
    daily at 1 month, 15.1 ng/kg daily at 2 months and 10.5 ng/kg daily at 4 months
    after insertion. The decreasing doses were caused by both a reduced quantity in
    milk and a lower breastmilk intake as time passed.[3]

    Infant
    Levels.
    Relevant published information was not found as of the revision
    date.


    Effects in Breastfed Infants:
    Forty-two
    women had an etonogestrel subcutaneous
    implant (Implanon) inserted between 28
    and 56 days postpartum. Compared with the infants of 38 similar mothers who had
    a nonhormonal intrauterine device, no statistically significant difference was
    found in infant illnesses or growth rates between the groups, except for a
    statistically nonsignificant higher weight gain in the male infants, and
    respiratory conditions and skin disorders in the infants of women who received
    the implants.[3] Infants were followed up at 3 years of age; no differences in
    growth or psychomotor development were found.[4]

    A non-blinded,
    randomized study of exclusively breastfeeding women compared those who received
    an etonogestrel implant 24-48 hours
    after delivery (n = 20) to those who received a 150 mg depot medroxyprogesterone
    acetate injection at 6 weeks postpartum (n = 20). No difference in infant weight
    gain was noted between the two groups.[5]


    Possible Effects on
    Lactation:

    Forty-two women had an etonogestrel subcutaneous implant (Implanon) inserted between 28 and 56 days
    postpartum. Compared with 38 similar mothers who had a nonhormonal intrauterine
    device, no difference was found in milk volume, or in milk lactose, protein or
    fat content.[3] No difference was seen between the two groups in duration of
    lactation, averaging 421 days in the Implanon group and 423 days in the IUD
    group.[4]

    A non-blinded, randomized study of exclusively breastfeeding
    women compared those who received an etonogestrel implant 24-48 hours after
    delivery (n = 20) to those who received a 150 mg depot medroxyprogesterone
    acetate injection at 6 weeks postpartum (n = 20). The rates of exclusive
    breastfeeding were similar between the groups at 6 and 12 weeks
    postpartum.[5]

    A randomized, controlled study compared etonogestrel implant insertion at 1 to 3 days
    postpartum (n = 35) to insertion at 4 to 8 weeks postpartum (n = 34). Several
    outcome parameters were measured: time to lactogenesis II, prevalence of
    lactation failure, use of formula supplementation and milk composition at 6
    weeks postpartum. No differences were found in any of the outcomes between the
    two groups.[6]


    Alternate Drugs to Consider:
    Levonorgestrel,
    Medroxyprogesterone
    Acetate, Norethindrone
    Last edited by BH-tech; 06-01-2015 at 16:18.


 

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