In most cases, an employer cannot legally fire you because you called in sick due to pregnancy. Federal law prohibits treating a pregnant worker worse than other employees with similar temporary medical needs, and firing someone for pregnancy-related sickness can amount to illegal pregnancy discrimination or retaliation. That said, the United States has no general federal law guaranteeing paid sick days, so whether your specific absence is protected depends heavily on your state, your employer's size, and whether you used a protected leave law correctly.
This is a high-stakes area where panic is common, so let's separate what the law actually guarantees from what it does not. The short version: you usually cannot be fired for being sick because of pregnancy, but you can sometimes be disciplined for how an absence was handled (for example, no-call/no-show) if your employer applies the same rules to everyone. Understanding the difference is what protects your job.
The Federal Baseline: What Protects a Pregnant Worker
Several federal laws overlap to protect pregnant employees who get sick. No single one covers everything, so it helps to know what each does.
Title VII and the Pregnancy Discrimination Act
Title VII of the Civil Rights Act of 1964, as amended by the Pregnancy Discrimination Act, makes it illegal for employers with 15 or more employees to discriminate based on pregnancy, childbirth, or related medical conditions. The core rule is comparative: a pregnant worker must be treated at least as well as other employees who are similar in their ability or inability to work. So if your employer would not fire a non-pregnant worker for calling in sick with the flu or a back injury, it generally cannot fire you for calling in sick with morning sickness, severe nausea, or other pregnancy symptoms. Title VII is enforced by the U.S. Equal Employment Opportunity Commission (EEOC).
The Pregnant Workers Fairness Act (PWFA)
The Pregnant Workers Fairness Act, which took effect in June 2023, requires covered employers (again, generally those with 15 or more employees) to provide reasonable accommodations for known limitations related to pregnancy, childbirth, or related medical conditions, unless doing so would be an undue hardship. Importantly, time off to recover or to manage pregnancy-related sickness can itself be a reasonable accommodation. Under the PWFA, an employer is also barred from forcing you to take leave if another accommodation would let you keep working, and from retaliating against you for requesting an accommodation. The EEOC enforces the PWFA.
The Americans with Disabilities Act (ADA)
Pregnancy itself is not a disability, but pregnancy-related conditions, such as gestational diabetes, preeclampsia, or severe complications, can qualify. If they do, the ADA (for employers with 15 or more employees) may require reasonable accommodations, which can include modified schedules or limited time off. The EEOC enforces the ADA.
The Family and Medical Leave Act (FMLA)
The FMLA, enforced by the U.S. Department of Labor's Wage and Hour Division, gives eligible employees up to 12 weeks of unpaid, job-protected leave for a serious health condition, including pregnancy-related conditions and prenatal care. To be eligible, you generally must work for an employer with 50 or more employees within 75 miles, have worked there at least 12 months, and have logged at least 1,250 hours in the prior year. FMLA leave can often be taken intermittently, meaning you may use it for recurring sick days, prenatal appointments, or bad bouts of morning sickness. If you qualify and follow the notice rules, firing you for those absences can violate the FMLA.
The Big Gap: Paid Sick Leave Is Mostly a State Matter
Here is the crucial point that drives most of the confusion: there is no federal law requiring private employers to provide paid sick days. The Fair Labor Standards Act (FLSA), the main federal wage-and-hour law, sets minimum wage and overtime but does not require any paid time off for illness. So when you ask "can my job fire me for calling in sick," the federal answer depends on whether an anti-discrimination or leave law applies, not on a national sick-leave guarantee.
Many states and cities have stepped in to fill that gap. A large and growing number of states require employers to provide paid sick leave that accrues as you work, and some explicitly protect workers from retaliation for using it. The specifics, including how much leave you earn, what it covers, the size of employer that must comply, and the deadlines to file a complaint, vary significantly by state and even by city. Because of that, you should check your state labor department's website (and your city's, if you live in a large metro) for the exact rules where you work. Do not assume the protections are the same as a neighboring state.
The practical takeaway: even in an "at-will" state, where an employer can normally fire you for any reason or no reason, it still cannot fire you for an illegal reason. Pregnancy discrimination, retaliation for using protected leave, and retaliation for requesting an accommodation are all illegal reasons.
When a Firing Crosses the Line Into Illegal Retaliation
Retaliation is one of the most common and winnable claims. It happens when an employer punishes you for doing something the law protects. Warning signs that an absence-related firing may actually be unlawful include: