Nursing while pregnant: your rights, your risks, and how to protect yourself at work

Pregnancy and nursing work are compatible – but the compatibility depends on your unit, your employer, how far along you are, and how proactively you manage the transition. Most pregnant nurses keep working well into their third trimester. Some need modifications from the start. A small number work in environments where exposure risks make early accommodation or leave necessary.

This guide is for nurses who are pregnant or planning a pregnancy and need to understand their legal protections, the real occupational risks by unit type, what assignments they can refuse, when to disclose, and how to plan a maternity leave that does not leave them financially exposed.

Your legal protections: what the laws say

Four federal laws protect pregnant nurses. They overlap but do not duplicate each other, and the gaps between them matter. Start with the newest one, because it changed the landscape substantially and most workplace guidance written before 2023 does not include it.

Pregnant Workers Fairness Act (PWFA)

The PWFA is the strongest federal accommodation right a pregnant nurse has. It was signed into law on December 29, 2022 as part of the Consolidated Appropriations Act, took effect on June 27, 2023, and the EEOC’s implementing regulation took effect on June 18, 2024. It applies to employers with 15 or more employees, which covers essentially every hospital and health system in the country.

The PWFA requires your employer to provide a reasonable accommodation for a known limitation – a physical or mental condition related to, affected by, or arising out of pregnancy, childbirth, or a related medical condition – unless doing so imposes an undue hardship. “Known” simply means you have communicated the limitation to your employer.

Two features make it materially stronger than the older laws:

• You do not need a disability. The ADA route requires your condition to substantially limit a major life activity. The PWFA has no such threshold – an ordinary, uncomplicated pregnancy that makes 12 hours of standing difficult is enough.
• You do not need a comparator. Under the PDA, your claim depends on how your employer treats other employees with similar limitations. The PWFA creates a standalone right to accommodation regardless of what anyone else receives.

Accommodations the EEOC names explicitly include additional or more frequent breaks, modified equipment, uniform or dress code adjustments, schedule changes, telework, temporary reassignment, temporary suspension of one or more essential functions, leave for medical appointments, and help with lifting or other manual labor. Every one of those maps directly onto a nursing assignment.

Your employer may ask for supporting documentation from your health care provider only in limited circumstances, and may not require you to be examined by a physician of the employer’s choosing. Complaints go to the EEOC.

A separate 2022 law, the PUMP for Nursing Mothers Act, extends break time and private space requirements for expressing breast milk to most employees, including salaried nurses who were not covered by the earlier provision. It is enforced by the Department of Labor and matters for your return-to-work planning rather than your pregnancy.

Pregnancy Discrimination Act (PDA)

The PDA amended Title VII of the Civil Rights Act to make discrimination on the basis of pregnancy, childbirth, or related medical conditions a form of sex discrimination. It requires employers to treat a pregnancy-related condition no less favorably than any other temporary condition. If your employer offers light duty to nurses recovering from back injuries or post-surgical restrictions, they must offer the same to pregnant nurses with similar functional limitations. If they offer no accommodations to anyone, the PDA alone does not require them to start.

That comparator requirement is the PDA’s central limitation, and it is the gap the PWFA was written to close. The PDA still does independent work: it covers discrimination in hiring, promotion, pay, and termination, not just accommodation, and it applies to any employer with 15 or more employees. If your facility has a written light-duty or modified-duty policy, you are entitled to access it on the same terms as any other employee with a temporary physical condition. Request it in writing, and cite the PWFA alongside the PDA – the PWFA is the provision that obliges your employer to accommodate you even where no comparable policy exists.

Americans with Disabilities Act (ADA)

Pregnancy itself is not a disability under the ADA, but pregnancy-related conditions can qualify. Severe morning sickness, gestational hypertension, gestational diabetes, or musculoskeletal strain from pregnancy may be covered as temporary disabilities. If a condition substantially limits a major life activity – standing for 12-hour shifts, lifting, bending – the ADA requires your employer to engage in an interactive process to identify reasonable accommodations.

Since the PWFA took effect, the ADA route matters mainly for conditions that persist beyond the pregnancy or that are severe enough to warrant the broader remedies and longer-term protections the ADA carries.

Reasonable accommodations for a pregnant nurse might include: modified patient assignments avoiding heavy lifting, more frequent rest breaks, modified shift length during late third trimester, or temporary reassignment to a unit with lower physical demand.

Employers are not required to provide accommodations that create undue hardship, but in most hospital environments, modifying nursing assignments does not meet that threshold.

Family and Medical Leave Act (FMLA)

FMLA provides up to 12 weeks of unpaid, job-protected leave per year for qualifying employees. It covers pregnancy, childbirth, and the care of a newborn. To qualify, you must:

• Have worked for your employer for at least 12 months
• Have worked at least 1,250 hours in the past 12 months
• Work at a location with 50 or more employees within 75 miles

FMLA protects your position – you return to the same or an equivalent role. It does not pay you. Most nurses combine FMLA with short-term disability benefits and accrued PTO to create a partially-paid leave.

An important FMLA planning note: if you use FMLA intermittently during pregnancy for prenatal appointments or pregnancy-related illness, those weeks count against your 12-week allotment. If you use 4 weeks before delivery, you have 8 weeks remaining post-delivery. Plan your FMLA use carefully.

Occupational risk by unit type

Not all nursing environments carry the same risk during pregnancy. Some exposures have strong evidence linking them to adverse fetal outcomes; others carry theoretical or low-level risk that warrants precaution.

Cytotoxic drug exposure: the clearest risk

Antineoplastic agents – including cyclophosphamide, methotrexate, and many others – are classified as hazardous drugs by NIOSH, which maintains the authoritative list. Roughly 80% of the drugs on it carry reproductive toxicity.

This is the one exposure category where the epidemiology is strong enough to quantify. A 2023 meta-analysis in Nursing Open pooled 11 studies covering 9,613 nurses across seven countries and found that occupational exposure to antineoplastic agents was associated with a significantly elevated risk of spontaneous abortion (RR 1.56, 95% CI 1.16–2.09), congenital abnormalities (RR 1.76, 95% CI 1.30–2.38), and stillbirth (RR 1.94, 95% CI 1.09–3.46). Earlier NIOSH work using the Nurses’ Health Study II cohort found roughly a two-fold increase in spontaneous abortion risk among nurses reporting first-trimester hazardous drug exposure.

The important qualifier: several of these studies were conducted after biological safety cabinets and safe handling protocols were standard, and still detected excess reproductive loss. Closed system drug transfer devices and proper PPE reduce risk substantially. They do not eliminate it.

NIOSH and the American Nurses Association both recommend that pregnant nurses avoid direct contact with hazardous drug preparation and administration where feasible. Most oncology units will accommodate a reassignment request during pregnancy, and under the PWFA that request is now an accommodation right rather than a favor.

Radiation exposure: declare your pregnancy

If you work in a radiation environment (IR, cath lab, OR fluoroscopy), the protection depends on a specific legal step: becoming a declared pregnant woman. Under NRC regulation, that means voluntarily informing your employer in writing of the pregnancy and the estimated date of conception. Until you do that in writing, the fetal dose limit does not apply to you – only the general occupational limit does, which is ten times higher.

Once you have declared, 10 CFR 20.1208 requires your employer to keep the dose to the embryo/fetus below 5 mSv (0.5 rem) for the entire pregnancy. The NRC also expects the dose to be spread evenly rather than delivered in a burst: a monthly dose under 1 mSv (0.1 rem) needs no explanation, while anything above that has to be justified by the licensee. The NCRP recommends a tighter monthly figure of 0.5 mSv, and the ICRP recommends 1 mSv for the whole declared pregnancy – both are guidance rather than enforceable US limits, and some hospital radiation safety programs adopt them anyway.

Declaring also triggers a second dosimetry badge worn at the waist beneath your lead apron, separate from the collar badge, to monitor fetal dose specifically. The declaration stays in effect until you withdraw it in writing or the pregnancy ends.

In most interventional environments, nurses can continue working with appropriate shielding and positioning – the 5 mSv limit is high relative to what a properly shielded nurse accumulates. In high-volume fluoroscopy settings, earlier reassignment may be warranted. Your radiation safety officer has your actual dose records and can tell you whether your work environment poses a real concern rather than a theoretical one.

Practical assignment modifications you can request

Regardless of unit type, these are standard requests that most employers can accommodate:

• Modified patient lifting requirements (assignments without bed-bound patients requiring full repositioning after a specified gestational week)
• Access to a sit-to-stand stool at workstations
• Permission to leave the room during portable X-ray procedures
• Modified PPE fitting for late pregnancy (N95 fit-testing is required when mask fit changes with body changes)
• More frequent rest break periods, particularly in third trimester
• Exemption from preparing or administering specific hazardous drugs
• Reassignment away from rooms with confirmed or suspected airborne infections (particularly varicella and active TB in non-immune nurses)

On CMV specifically, one common expectation is worth resetting. The CDC does not recommend excluding or routinely reassigning pregnant health care personnel from the care of patients with CMV, and does not use reassignment as a control measure for seronegative pregnant staff. The recommended protection is rigorous hand hygiene after every patient and patient-environment contact plus gloves for contact with secretions or mucous membranes, which is considered sufficient to interrupt transmission. Requests for reassignment away from confirmed varicella or active TB in a non-immune nurse stand on much firmer ground.

Frame requests as patient safety issues as well as personal ones. A nurse who is distracted by pain, exhausted from inadequate break access, or compromised in their mobility is a patient safety concern – not just a personal accommodation request. Most occupational health departments respond better to safety-framed requests.

When and how to disclose

There is no legal requirement to disclose a pregnancy to an employer before you need to request accommodation or begin leave. Early disclosure carries real risk – discrimination is illegal but informal consequences (less-desirable assignments, exclusion from projects, skepticism about your commitment) can follow.

One asymmetry to plan around: the PWFA only obliges your employer to accommodate a limitation they know about, and “known” means you have communicated it. Non-disclosure preserves your privacy at the cost of your accommodation rights. That trade is usually fine on a low-risk unit and rarely fine on a hazardous one.

The practical calculus depends on your unit:

Disclose early if:

• Your unit involves cytotoxic drug exposure, radiation, or other occupational hazards that require immediate modification
• Your pregnancy is causing symptoms (morning sickness, fatigue, physical symptoms) that visibly affect your work
• You have a high-risk pregnancy that requires early leave or frequent appointments
• You have a supportive manager and want the support network

Delay disclosure if:

• You are in the first trimester and primarily concerned about confidentiality
• You work on a low-risk unit with no immediate accommodation needs
• You have reason to believe disclosure would affect your standing or assignment quality

When you disclose, keep it brief and forward-looking: “I wanted to let you know I’m pregnant and due in [month]. I don’t anticipate needing modifications at this point, but I wanted you to be informed, and I’ll let you know when I’m ready to start leave planning.” If you need modifications, name them specifically at the time of disclosure.

Maternity leave planning

Maternity leave for US nurses is almost always a patchwork of federal entitlements, employer benefits, and personal savings. Start planning in the second trimester, not at week 36.

The components:

Short-term disability (STD) insurance. This is the primary income replacement most nurses have during leave. STD typically pays 60–70% of base salary for 6 weeks post-vaginal delivery or 8 weeks post-cesarean section. If your employer offers STD, verify the elimination period (the waiting period before benefits begin – often 7–14 days) and whether pre-existing conditions affect coverage for a planned pregnancy.

If you are not currently enrolled in STD insurance, check your enrollment windows immediately. Many plans will not cover a pregnancy that began before enrollment, so timing matters. Open enrollment periods vary by employer.

FMLA. Protects your job during leave. Does not pay you. Typically runs concurrently with STD – the STD pays some income while FMLA protects the position. Understand exactly how many total weeks you will have.

Accrued PTO. Most nurses use PTO to supplement STD benefits or to extend paid leave beyond the STD period. If you are planning a pregnancy, start banking PTO now.

Employer-paid parental leave. Some health systems now offer separate paid parental leave benefits (2–6 weeks in many cases) that layer on top of STD and FMLA. Review your employee benefits handbook specifically for “parental leave” – it may be separate from your sick leave or STD policy.

The honest math. In most cases, a nurse planning a 12-week leave will have approximately 6–8 weeks of partial income from STD and must cover the remaining weeks with PTO or unpaid time. Planning 6–9 months ahead gives you time to build the PTO reserve and verify your STD enrollment status.

A conversation with your HR benefits coordinator in the second trimester – before you need to use any of these benefits – is the single most useful step for leave planning. Come with specific questions: What does my STD policy cover? Does it run concurrently with FMLA? How much PTO do I currently have? Does the hospital offer any paid parental leave benefit?

Before you stop working

Most nurses continue working until 34–38 weeks depending on their health, their unit, and their own assessment. There is no universal cutoff. Factors that warrant earlier leave include:

• Pre-eclampsia, gestational hypertension, or other conditions requiring activity restriction
• Preterm labor risk with medical advice to reduce work intensity
• A high-risk pregnancy with frequent specialist appointments
• A physically demanding unit where late-third-trimester work carries meaningful fall or injury risk
• Extreme fatigue or symptoms that compromise patient safety

Trust your body and your OB’s guidance. Talk to your manager early about your anticipated last day – it gives the unit time to plan, reduces the urgency you feel to work beyond what is safe, and opens the conversation about a gradual transition if your role allows it.

Nursing is a physically demanding profession that is also a helping profession – and most units will work with a pregnant nurse who communicates clearly and plans proactively. The protections exist because the risks are real. Use them.

References

1. US Equal Employment Opportunity Commission. “What You Should Know About the Pregnant Workers Fairness Act.” eeoc.gov/wysk/what-you-should-know-about-pregnant-workers-fairness-act. Effective June 27, 2023; final regulation effective June 18, 2024.
2. US Equal Employment Opportunity Commission. “Implementation of the Pregnant Workers Fairness Act.” Final rule, 89 Federal Register 29096, April 19, 2024.
3. US Nuclear Regulatory Commission. 10 CFR 20.1208, “Dose equivalent to an embryo/fetus.” Code of Federal Regulations, Title 10, Part 20, Subpart C. Definition of “declared pregnant woman” at 10 CFR 20.1003.
4. US Nuclear Regulatory Commission. Regulatory Guide 8.13, “Instruction Concerning Prenatal Radiation Exposure,” Revision 3, June 1999.
5. Occupational Safety and Health Administration. “Ionizing Radiation – Pregnant Workers.” osha.gov/ionizing-radiation/pregnant-workers. Comparison of NRC, NCRP, ICRP and CRCPD fetal dose recommendations.
6. Liu S, Huang Y, Huang H, Hu S, Zhong X, Peng J, Zhang X, Huang X. “Influence of occupational exposure to antineoplastic agents on adverse pregnancy outcomes among nurses: A meta-analysis.” Nursing Open, Vol. 10, No. 9, 2023, pp. 5827–5837. doi:10.1002/nop2.1853.
7. National Institute for Occupational Safety and Health. “NIOSH List of Hazardous Drugs in Healthcare Settings.” Centers for Disease Control and Prevention, US Department of Health and Human Services.
8. Centers for Disease Control and Prevention. “Infection Control in Healthcare Personnel: Epidemiology and Control of Selected Infections Transmitted Among Healthcare Personnel and Patients” – cytomegalovirus and pregnant health care personnel recommendations. cdc.gov/infection-control.
9. National Institute for Occupational Safety and Health. “Criteria for a Recommended Standard: Occupational Exposure to Waste Anesthetic Gases and Vapors.” DHEW (NIOSH) Publication No. 77-140, March 1977. Recommended exposure limits: nitrous oxide 25 ppm; halogenated agents 2 ppm alone, 0.5 ppm in combination.
10. US Department of Labor, Wage and Hour Division. Fact Sheet #28, “The Family and Medical Leave Act,” and Fact Sheet #28A, “Employee Protections under the Family and Medical Leave Act.” dol.gov/agencies/whd.
11. US Department of Labor, Wage and Hour Division. “PUMP for Nursing Mothers Act” – break time and space requirements for nursing employees, effective 2022–2023.
12. US Equal Employment Opportunity Commission. “Legal Rights of Pregnant Workers under Federal Law” – Pregnancy Discrimination Act (Title VII of the Civil Rights Act of 1964, as amended) and Americans with Disabilities Act coverage of pregnancy-related conditions.