Balancing work and family responsibilities brings many challenges for working mothers and fathers with children younger than 18. Roughly half say being a working parent makes it harder for them to be a good parent, and about as many say that at times they feel they can’t give 100 percent at work. Despite these challenges, many working parents—including about eight-in-ten full-time working mothers—say their current employment situation is what’s best for them at this point in their life, according to a new Pew Research Center survey

When asked about some specific challenges they may have faced at work because they were balancing work and parenting responsibilities, about half of working mothers say they’ve needed to reduce their work hours (54 percent) or that they’ve felt like they couldn’t give 100 percent at work (51 percent). Smaller but still substantial shares of working fathers say the same.

About one-in-five working parents, including 23 percent of working moms and 15 percent of working dads, say they have turned down a promotion because they were balancing work and parenting responsibilities.

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