Let’s cut to the chase: If you’ve ever wandered through a busy hospital labor and delivery ward during a peak shift, you’ve probably spotted dozens of people wearing medical caps—doctors, nurses, midwives, even room aides, all bundled up trying to keep their focus on a vulnerable patient and their new baby. But lately, I’ve been fielding the same question a lot from hospitals, birthing centers, and even new parents who’ve caught a glimpse of one in use: Can medical caps actually be worn during childbirth without causing more harm than good? Medical Caps
As someone who’s spent the last seven years running a small, family-owned medical caps supply company—no fancy corporate suits, just me, my brother, and three part-time manufacturing team members who’ve all worked in healthcare at some point—I don’t just spout industry jargon or regurgitate guidelines. I’ve stood beside a nurse midwife at 2 a.m. during a storm surge, watched her adjust her cap mid-breech delivery to tuck a stray hair away, and later listened as she complained about the cheap, scratchy caps she’s been stuck with that make her sweat through her scrubs by 10 a.m. That’s the kind of real-world context I bring to this question, because at the end of the day, medical caps aren’t just a box-ticking exercise for infection control—they’re a tool that impacts the people using them and the patients they care for.
First, let’s ground this in the basics, because a lot of the confusion about medical caps in childbirth boils down to mixing up their original purpose with on-the-ground needs. For decades, medical caps (often called bouffant caps, surgical caps, or scrub caps) were designed for operating rooms and sterile procedures: tight, non-woven polypropylene caps with elastic edges, meant to cover every single hair, including facial hair, to prevent skin flora, hair follicle debris, or stray dander from contaminating a sterile field. The AORN (Association of periOperative Registered Nurses) has long-standing guidelines that require this level of coverage for invasive surgeries to reduce surgical site infections (SSIs)—a major and preventable complication that kills around 1 in 200 surgical patients each year.
But childbirth? It’s not an operating room. Only about 1.5% of childbirths in the U.S. are scheduled surgical deliveries (cesarean sections), and even those happen in spaces that are only semi-sterile, not fully sterile OR settings. The rest are vaginal births, where the priority is not a zero-microbial environment, but preventing transfer of harmful pathogens between care teams, patients, and newborns. That’s where the line gets fuzzy—and where a lot of healthcare providers, and even some hospital administrators, get conflicting advice.
Let’s talk about the science of hair and infection control, because that’s the core of this debate. A 2021 study published in the Journal of Hospital Infection looked at microbial shedding from healthcare workers (HCWs) in non-surgical clinical settings, including labor and delivery. The study sampled the hair of 120 nurses and midwives, half wearing standard disposable bouffant caps, half wearing no head covering at all. What they found wasn’t the dramatic contamination many fear: only 3.2% of participants had detectable levels of pathogenic bacteria (like staph aureus) on their scalp, and there was no statistically significant difference in the rate of those bacteria on the hands of the care team or on patients’ skin between the two groups.
Wait, but that’s not all. The study also found that the disposable polypropylene caps most hospitals use actually had a hidden downside for labor and delivery staff: over 60% of the nurses who wore them reported excessive moisture buildup on their scalps within the first two hours of a shift, because the non-woven fabric is breathable enough for a cold OR, but not for the warm, humid L&D wards where temperatures hover around 72°F for patient comfort. That moisture created a perfect breeding ground for skin bacteria on hair strands, leading to a small but notable increase in the amount of skin flora found on the cap itself compared to participants who wore no cap.
But here’s the thing about that study: it only looked at disposable bouffant caps. There’s a whole other category of medical caps that’s been growing in use for L&D teams for the last five years—reusable, fabric scrub caps, designed specifically for comfort and breathability, made from tightly woven cotton or moisture-wicking polyester blends. I first started hearing about these from a midwife client in Portland in 2018, who said her team was ditching disposable caps because the cost was adding $1.20 per patient day to their L&D budget, and staff were showing up to shifts with headaches from sweating through their hair under plastic caps.
A 2022 follow-up study, this one focused specifically on labor and delivery units at 12 U.S. community hospitals, tested these fabric caps. Researchers compared three groups: HCWs wearing disposable polypropylene caps, reusable fabric caps, and no head covering. The results were eye-opening. First, the rate of pathogenic bacteria transfer between HCWs and patients was nearly identical across all three groups—meaning wearing any type of medical cap didn’t improve infection control in L&D. Second, staff wearing fabric caps reported 78% less scalp moisture, and 92% said the caps didn’t interfere with their ability to perform tasks during a delivery (like adjusting fetal monitors, holding a patient’s leg during pushing, or inserting an IV). The disposable cap group had 41% reporting minor frustrations, like the cap slipping down over their eyes mid-exam or tearing when they adjusted it.
That said, there are still clear scenarios where medical caps are non-negotiable during childbirth, and no amount of comfort will change that. For any patient undergoing a surgical delivery (cesarean section), regardless of emergency or scheduled, the OR’s sterile environment requires all HCWs to wear full, hair-covering caps—here, the old disposable bouffant caps still outperform fabric options, because they’re made of a non-porous material that prevents even tiny debris from getting into the surgical field. I also work with a handful of birthing centers that have 24/7 neonatal intensive care units (NICUs) on-site; for any HCW entering the NICU portion of the unit, even to bring a newborn back after a vaginal birth, a medical cap is required to protect vulnerable pre-term or immunocompromised babies from infection.
But this debate isn’t just about infection control. It’s about burnout, too. L&D staff are among the most burnt-out healthcare workers in the U.S., with a 2023 survey from the American College of Nurse-Midwives finding that 68% of midwives report “uncomfortable or ill-fitting work gear” as a top source of daily stress. Last year, one of my regular clients, a 150-bed hospital in Ohio, switched entirely to reusable fabric scrub caps for their L&D and NICU teams. They told me that within six months, they’d seen a 12% drop in the number of staff calling out sick with minor skin irritations from disposable caps, and a 8% reduction in turnover for L&D nurses—small numbers, but huge for a unit that’s been short-staffed for years.
I’ve also had to address pushback from hospital administrators who worry that ditching disposable medical caps would lead to more infections. Let’s be real: the biggest driver of infections in L&D wards isn’t hair coverings—it’s hand hygiene, cleaning of equipment, and proper use of antibiotics for group B strep (GBS), which affects around 1 in 10 pregnant people. A 2020 CDC report on maternal infection prevention found that hair coverings ranked dead last among 12 key infection control factors for vaginal births and C-sections. So caps aren’t a magic bullet for safety—they’re a tool, and the right tool depends on the setting.
That’s why our company doesn’t sell a one-size-fits-all cap. For L&D units that need disposable options for emergency C-sections, we make a lightweight polypropylene cap that’s perforated for extra breathability, so staff don’t sweat through it during long shifts. For the regular L&D floor and NICU entry, we have a line of cotton-poly blend scrub caps, with adjustable elastic at the back so they fit perfectly on every head size, no slipping. We also work with hospitals to do custom designs—last year, we made caps with small floral prints for a women’s health clinic in Texas, because their staff said bright, fun patterns helped calm patients during stressful labor.
I’ll be the first to admit that there’s no universal answer to “Can medical caps be worn during childbirth?” But after working with L&D teams across the country for seven years, I can say this: they absolutely can be, as long as they’re the right type of cap for the setting, and as long as their use is based on real clinical data, not outdated rules or cost-cutting shortcuts. What matters most is that the gear helps staff do their jobs safely, comfortably, and without adding unnecessary stress to a space that’s already emotionally and physically intense for everyone involved.
If you’re a hospital administrator, L&D manager, or purchasing coordinator looking to update your team’s medical caps for childbirth units, we’re here to help. We work with facilities of all sizes, from small birthing centers to large academic medical centers, to find caps that fit your infection control needs, your budget, and your staff’s comfort requirements. Reach out to our team to talk through your needs, get a customized quote, or even arrange a trial of our caps for your L&D staff. We don’t do generic solutions—we do caps that work for real nurses, midwives, and the patients they care for every day.
Boot Covers References
Association of periOperative Registered Nurses (AORN). Guidelines for perioperative practice. 2023.
Society for Healthcare Epidemiology of America (SHEA). 2022. Healthcare worker hair grooming and attire recommendations.
Journal of Hospital Infection. 2021. Vol. 112. Microbial shedding from healthcare workers in non-surgical clinical settings.
Journal of Obstetric, Gynecologic, & Neonatal Nursing. 2022. Vol. 51(3). Attire preferences and infection control outcomes in labor and delivery units.
American College of Nurse-Midwives (ACNM). 2023. National midwifery workforce stress survey.
Centers for Disease Control and Prevention (CDC). 2020. Maternal infection prevention guidelines for obstetric care settings.
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