MAMAHOOD

Dysphoric Milk Ejection Reflex: Understanding D-MER

September 6, 2021

I’m Claire.
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Have you ever felt sad when you breastfeed? Anxious? Panicky? Maybe you dread it, because for whatever reason you feel awful when you’re doing it. Guess what? That feeling actually has a name – and understanding what was going on changed everything for me (and I hope it can for you too).

WHAT IS D-MER?

Dysphoric milk ejection reflex (D-MER) is an inappropriate chemical and hormonal physiological repose that happens in a lactating woman just before her milk lets down. D-MER is a physiological response – it is not a psychological response to breastfeeding and it is not a part of the perinatal mood and anxiety (PMAD) spectrum.

D-MER popped onto the maternal wellness scene in 2007. At that time, a lactation consultant Alina Macria Heise, noticed intense negative feelings when breastfeeding (interestingly, she first noted it with her 3rd baby; D-MER does not always show up with the first baby). She began digging and learning more, much of it anecdotal from other women, and soon learned that this was a share experience for many women that deserved much more space and research.

Dysphoric milk ejection reflex still needs a lot of research. In 2019, the first study was done to determine prevalence; in the studied sample 9.1% of women were found to have experienced D-MER. These early studies provide good groundwork, but there is much more to learn, including best ways to support those suffering from D-MER.

WHAT DOES D-MER FEEL LIKE?

In case studies and anecdotal reports, the feelings of D-MER are described in a wide variety of ways, from wistfulness or homesickness to self-loathing, dread, grief, anxiety and panic. Many women report a “hollowness” or “emptiness” – a “pit in the stomach.” The feelings often come on like a “wave” and dissipate within minutes after let-down.

Some women note D-MER only with their initial let-down, while others feel it with each let-down during a feed. Others report not feeling D-MER at all or feeling it much less when milk expression occurs via a pump. For some, D-MER gets lighter or disappears as the months go by, while others experience it until their child is completely weaned.

Ultimately, it is important to remember that the D-MER experience is variable and exists on a spectrum. D-MER is believed to exist in three loose categories: despondency, agitation, or anxiety D-MER; however, the experience is extremely individual for each woman.

WHY DOES D-MER HAPPEN?

Though the research at this point is not entirely clear, it is believed that D-MER is related to the hormones oxytocin, prolactin and dopamine. Oxytocin is related to the milk ejection reflex (MER) and helps move milk out of the breasts. Prolactin is involved in milk production – and this is where dopamine (a feel good hormone) gets involved. Dopamine inhibits prolactin, so dopamine has to fall in order for prolactin to rise and milk to be produced. Normally, the balance between these two hormones is appropriate, but in women who suffer from D-MER, dopamine falls too much and too abruptly and the woman is left with her experience of dysphoria (D).

Currently, the only “risk” for D-MER is a prior history of it. It’s appearance and intensity is unrelated to prior medical history or life circumstances (like trauma, depression, loss, etc.), though many women report feeling similar feelings as they did during another difficult or traumatic season in their lives (more of a deja vu effect). It is also not the same thing as postpartum depression or baby blues, though it can coincide with them and be harder to notice.

WHAT CAN I DO IF I HAVE D-MER?

There is little evidence-based plans of care for women who suffer from D-MER. Many women with mild symptoms report feeling better simply by knowing what it is – that idea of “name it to claim it.” If the woman is not at risk of weaning because of her D-MER, most care providers recommend education and basic lifestyle changes (rest, decreased caffeine, good hydration, and exercise) as the plan of care. If a woman has more severe D-MER, a prescription or dopamine-increasing medication may be used with physician oversight.

If you believe you may be suffering from D-MER, it’s important to remember that it is a reflexive condition. You cannot talk yourself out of it, this is not something you’ve done, and you don’t hate the feeding relationship you have with your child. You are a good mother – and you are not alone in this space.

Cheering for you always,

Lo

There’s a full discussion about all of this on our Instagram community, including my own experiences. I also share more in this podcast episode with The PUSH Revolution.

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