Oh, what a groundbreaking revelation we have here! It turns out that hemoglobin levels—yes, that thing they check with a simple blood test—might actually tell us something about a patient’s health. Who would’ve thought, right? In a stunning display of connecting the dots, researchers have discovered that birthing individuals with lower hemoglobin levels on admission for childbirth might just be more likely to need acute care postpartum. I mean, it’s not like we’ve known about the importance of hemoglobin in, say, every other medical scenario, but for childbirth, this is apparently news.

So, they did a retrospective cohort study, which is basically a fancy way of saying they played Monday morning quarterback with medical records. They looked at 8,677 pregnancies at a southeastern quaternary care hospital from January 2018 through June 2021. And lo and behold, they found that the lower the hemoglobin, the higher the chance of the new moms coming back for a visit to the ER or even a hospital stay within 90 days after giving birth.

In the most shocking twist since finding out water is wet, unadjusted models showed that those with hemoglobin levels less than 9 g/dL had twice the risk of postpartum acute care use compared to those with levels of 12 g/dL or higher. And, because we all love a good dose of statistics, the adjusted model confirmed the trend with slightly less dramatic numbers.

The conclusion? If a birthing person comes in with low hemoglobin, maybe—just maybe—we should keep an eye on them. It’s almost as if routine blood tests can be used for… health assessments? Who knew! And for those patients who haven’t been basking in the glow of preventive healthcare, this could be a real game-changer. So, hats off to the researchers for suggesting we use information we already have in a way that makes sense. Truly, a novel concept in medicine.