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Related Experiment Video

Updated: Feb 24, 2026

Author Spotlight: Advancing Fertility Preservation in Young Female Cancer Patients Through Ovarian Tissue Vitrification and In Vitro Follicular Growth
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The glass ceiling: A biological phenomenon.

Tom W J Schulpen1

  • 1Formerly University Medical Centre, Utrecht University, P.O. Box 85500, 3508 GA Utrecht, The Netherlands.

Medical Hypotheses
|August 19, 2017
PubMed
Summary

Pregnancy significantly alters the female brain, creating a "maternal brain" that can conflict with career ambitions. Paternal leave policies can foster fatherly involvement, potentially improving career opportunities for women.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Sociology

Background:

  • Many ambitious women experience career challenges after childbirth due to conflicting maternal instincts and professional demands.
  • Pregnancy induces significant, long-lasting brain plasticity in females, affecting maternal circuitry and cognitive networks.

Purpose of the Study:

  • To explore the neurobiological underpinnings of the maternal brain and its impact on women's career trajectories.
  • To investigate the effects of paternal involvement on male parental behavior and career priorities.

Main Methods:

  • Review of hormonal and neuro-imaging studies on pregnancy-induced brain changes in females.
  • Analysis of research on paternal involvement and associated neuroanatomical changes in males.
  • Examination of the impact of parental leave policies on fatherly behavior and career choices.

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Main Results:

  • Evidence confirms fundamental and lasting pregnancy-induced brain changes in humans, creating a distinct maternal brain.
  • Increased paternal involvement leads to enhanced caring behaviors and experience-dependent brain plasticity in fathers.
  • Policies promoting shared parental leave correlate with increased fatherly engagement.

Conclusions:

  • The maternal brain influences a mother's behavior and priorities, potentially creating career-work-life balance challenges.
  • Promoting fatherly involvement through supportive policies may reduce career competition for top positions, benefiting women.
  • Shifting parental roles through paternal engagement can contribute to dismantling the 'glass ceiling' for women.