Traditionally, the STEMM community tends to celebrate scientific identity as a professional asset while treating motherhood as a disruption to one’s career path. Yet the realities of many early-career trainees in STEMM tell a more complex story.
Motherhood potentially cultivates strengths that STEMM fields urgently need, including prioritization, resilience, empathy, and time management, all critical skills in handling research, mentoring trainees, and advancing discovery. The challenge for women scientists does not lie in motherhood identity itself: The challenge lies in whether and how institutions value and support it. At its core, the issue is simple: our society relies on the continuation of the human race, yet offers far less structural support than that responsibility deserves.
I use the word institutions broadly to refer to universities, industry training programs, clinical education environments, research institutes, and national laboratories, all of which shape the experiences of emerging scientists. Although our STEMM community has debated work/life issues for some time, we have not moved the needle significantly toward systemic change. The transformation I envision goes far beyond simply providing changing rooms and lactation spaces. I embrace a humanist perspective that offers practical ideas that leaders, mentors, and early-career scientists can consider. Drawing on professional insights and evidence from research and policy, I propose reframing motherhood as a career asset that can strengthen STEMM training and create a more inclusive, resilient scientific workforce.
The Myth of the Right Time
People in STEMM training programs often struggle with notoriously demanding expectations and real structural pressures. Graduate trainees work long hours on modest stipends with uneven mentoring support, while postdocs juggle high expectations and short contracts. Clinical interns and residents navigate rigid schedules with variable backup from their attendings. Early-career industry scientists sprint through project cycles with limited leave protocols. The underlying question across these stages is simple and consequential: When is the right time to have a child?
Countless early-career trainees wonder about when they should start a family. Many encounter a prevailing norm, both implicitly and explicitly, that encourages waiting for a ‘better window.’ Yet longitudinal evidence from the United States shows that after having their first child, 43% of new mothers and 23% of new fathers leave full-time STEMM jobs. These retention challenges reflect structural barriers rather than individual commitment.
Delaying parenthood does not necessarily improve retention outcomes. For some, family timing is a personal choice; for others, invisible cultural expectations about “the right time” can subtly shape decisions without anyone realizing it. A more equitable approach encourages employers to consider any timing as potentially workable and to cultivate a culture where they allow scientists to feel genuinely comfortable taking this step and are valued when they do so.
Motherhood, however, is not a single experience. Intersectional identities— such as being a woman of color, a first-generation scholar, an international trainee navigating visa constraints, or someone without extended family support—can create compounded barriers that remain invisible within generic policies. Because these circumstances vary widely, both the challenges and the effective solutions may differ, highlighting why one-sizef its-all approaches rarely succeed.
The Invisible Load
The work of STEMM moms extends far beyond the visible tasks listed in job descriptions. Mental, physical, and logistical responsibilities, including coordinating care schedules, responding to sudden illness, planning contingencies, and managing household demands, run alongside lab experiments and manuscripts. When working moms cannot find affordable childcare, they often take on additional hours of caregiving at home, often sacrificing sleep to keep both home and lab running. Many continue performing through postpartum recovery or ongoing health challenges that the rest of the world assumes they resolve soon after giving birth. This cumulative fatigue and pressure can slow response times or create anxiety that their employers will view a temporary pause as a lack of commitment.
In addition to handling the invisible labor of caregiving at home, women in academia often face similar expectations within their professional roles. Research shows that women are often expected, across institutional and workplace contexts, to carry a disproportionate share of institutional housekeeping, such as mentoring students and serving on committees. Academic institutions view these responsibilities as essential but frequently undervalue them in promotion and evaluation decisions. Gendered assumptions that women naturally have key nurturing, organizational, and support skills contribute to this inequity, causing women to feel socially and professionally forced to accept these roles.
When institutions do not support caregiving demands and do not adequately recognize these service responsibilities in their reward systems, working mothers must absorb these combined burdens, which can strain their ability to be as productive as they would want to be. These dynamics reflect longstanding social norms and work expectations that portray professional productivity and caregiving as incompatible.
Mentorship That Supports the Whole Scientist
Some trainees begin graduate programs or clinical training while pregnant and/or parenting young children, and they may have to progress through milestones such as qualifying exams, rotations, or other high-stakes evaluations while navigating pregnancy or other personal life events. They find that supportive mentorship, which recognizes and builds on their existing strengths, anchors their progress. They can thrive when mentors and supervisors look beyond what society might perceive as a disadvantage, avoiding maternity bias or the assumption that motherhood signals lower competence, ambition, or commitment.
Effective mentorship provides scaffolding to navigate timelines and challenges while creatively deploying trainees’ potential for overall success. When supported in this way, trainees can exceed even their own expectations, discovering new skills and strengths that enrich their research, clinical work, and leadership potential. The journey rarely follows a linear path. Sometimes young scientists feel that they have to sprint, other times that they have to trudge through mud, and still other times that they must tiptoe across shaky ground and then go back to sprinting again. When mentors recognize existing talent and nurture it with the right guidance, their mentees keep moving forward in their growth.
The most effective mentors do not assume their trainees have limitations. They ask open questions about timelines and needs, co-plan flexible next steps, and ensure access to high-impact opportunities. This whole-person approach respects boundaries while offering agency without penalty. Mentors and managers can also model a simple habit: Before reallocating a project—a public talk, an authorship, a committee role, or a professional development opportunity—ask the trainee or staff member if they want it and then trust their answer. Well-intentioned assumptions about what someone needs can slip into benevolent stereotyping, a subtly biased presumption that mothers prefer fewer responsibilities or reduced visibility “for their own good,” even when they do not express such a preference. Inclusion begins with the invitation.
Practical scaffolding can include visible norms for meeting times, flexible work hours when feasible, options for remote participation when needed, clear and realistic expectations for workload, and advance notice of deadlines or required tasks so that trainees can plan accordingly. Mentors can also avoid quietly reassigning high-impact opportunities such as talks, collaborations, and authorship based on assumptions about a trainee’s availability.
Reframing Motherhood as a Career Asset
Motherhood can sharpen skills that scientists already possess and reveal others that their institutions may not yet fully recognize. For example, being a scientist-mom has helped me learn to prioritize what matters most, set clearer boundaries, problem-solve under constraints, communicate with empathy, mentor with patience, and manage time efficiently. Old narratives suggest that mothers feel less committed or have less availability, but stories of many STEMM trailblazers who were also moms highlight how women have led in science while parenting.
Some of these trailblazers have included:
- Lynn Margulis, a mother of four who transformed evolutionary biology;
- Maryam Mirzakhani, a Fields Medalist and mother;
- Katherine Johnson, who raised three daughters while advancing critical NASA calculations;
- Vera Rubin, a mother of four whose work offered early evidence of dark matter;
- Jewel Plummer Cobb, a pioneering cancer researcher and mother; and
- Helen O. Dickens, a physician who championed women’s health while raising two children.
Their caregiving roles intertwined with their scientific contributions, showing that caregiving and scientific excellence can coexist.
A Multi-Level Call to Action
Our work-life support systems must evolve, and this transformation must start in labs, academic departments, and industry units. Mentors and advisors should play a critical role in shaping a supportive environment for moms in STEMM. By checking in regularly with trainees about what support will help them achieve their goals each term, offering flexibility when caregiving demands spike, and avoiding assumptions about availability, mentors can create a culture of inclusion and trust. Mentors and bosses should explicitly offer projects and leadership opportunities to mothers, allowing them to decide their own level of engagement.
Some labs have piloted roving support models, such as assigning a colleague to temporarily maintain experiments during parental leave, which reduces the anxiety that a temporary absence will derail projects and helps to ensure that research momentum continues without penalizing anyone. Early implementations in the United Kingdom demonstrate that this approach supports both project continuity and parental well-being. Evidence from Nature and C&EN highlights how such systems provide one of the strongest levers for retaining parents in STEMM.
Departments can begin to uphold evaluation metrics that value outcomes over uninterrupted productivity. Many still equate quality with a continuously ascending output, a narrow standard that can punish normal life events, pressure trainees to hide pregnancies, and stigmatize pauses that should be neutral. To tackle this, departments should consider practices similar to stop-the-clock extensions, originally designed for tenure-track faculty, as a model for supporting trainees during major life events or caregiving responsibilities. Employers must pair these policies with clear communication and a cultural shift that normalizes temporary slowdowns without attaching negative perceptions of commitment or productivity to them.
Simply having a policy is not enough: Departments and mentors must actively reinforce the view that taking the time needed to balance life and training fully complies with professional growth and excellence. Shifting focus toward outcomes, innovation, and leadership, while normalizing appropriate pauses, can improve equity and better support early-career trainees navigating the demands of STEMM training.
Scientific societies can also play an important role in reducing structural barriers to professional participation. For example, the Federation of American Societies for Experimental Biology (FASEB) offers the CARES (Career Advancement and Research Excellence Support) Award, and Mothers in Science provides a Caregiver Grant. Both programs provide financial assistance to researchers with caregiving responsibilities, supporting activities such as conference participation, professional development, and research training. These targeted supports help alleviate the financial burden of caregiving and serve as models for other professional organizations seeking to normalize caregiving needs and to broaden access to career-advancing opportunities.
Institutions must create policies that retain talent. These can include such family-friendly policies as providing consistent parental leave and centralized childcare, which serve often-overlooked populations including graduate students, postdocs, and residents. Trainees can benefit from innovations that reduce pressure to maintain uninterrupted training timelines. Recommendations from the National Academies offer practical frameworks for creating equitable policies that reflect the caregiving realities faced by early-career trainees. Federal agencies also show progress, with the NIH recently increasing the policies and procedures for the Ruth L. Kirschstein NRSA childcare allowance to $3,000 per year for eligible trainees, signaling that the cost of childcare is a legitimate part of research training.
For working moms, building and tapping into supportive networks can make a substantial difference. Joining professional communities such as Mothers in Science, AWIS, or other parent-focused STEMM networks can help keep the wheels moving in their career as they raise a family, providing connection, encouragement, and practical guidance. These networks offer access to resources, peer advice, and strategies for navigating training and research, alongside caregiving. Importantly, they do not focus on “fixing the moms;” instead, they help women stay engaged in scientific work, gain knowledge in how to self-advocate, and meet role models who successfully balance family and career. Participation in these networks reinforces the fact that motherhood is not a deviation from a scientific life of excellence; it embodies the leadership skills and resilience that strengthen a STEMM career and the scientific enterprise as a whole.
When I imagine a supportive work environment for STEMM moms, I think about more intentional mentorship, institutional practices, and evidence-based policies that will leverage the strengths of these scientists to yield better projects, steadier teams, and more resilient labs. We should stop viewing family and caregiving responsibilities as shortcomings in professional life. Instead, we should view them as integral dimensions of human life that also shape how people contribute to their work.
A STEMM culture that sees motherhood as a career asset will not happen by accident; It must evolve from daily choices by mentors, colleagues, leaders, and policies that reflect real-life experiences. Motherhood, when valued and supported, is not a distraction! It is a catalyst for leadership and scientific excellence.
Diane Ugwu is a biochemist and a doctoral candidate in the School of Molecular Biosciences at Washington State University, where she focuses on interdisciplinary research in biochemistry and molecular biology education in Dr. Erika Offerdahl’s lab. Ugwu volunteers as the Community Programs Manager for the nonprofit Mothers in Science. She extends her gratitude to Dr. Isabel Torres, co-founder and CEO of Mothers in Science, for her thoughtful guidance and insights, which helped Ugwu refine the ideas and framing in this article.
This article was originally published in AWIS Magazine. Join AWIS to access the full issue of AWIS Magazine and more member benefits.