The Thyroid Hormone Axis and Female Reproduction
Ethan D L Brown1, Barnabas Obeng-Gyasi2, Janet E Hall1
1Reproductive Physiology and Pathophysiology Group, Clinical Research Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA.
Thyroid dysfunction significantly impacts female reproductive health, affecting the hypothalamic-pituitary-gonadal (HPG) axis and leading to issues like infertility and irregular periods. This review clarifies these interactions and management strategies.
Area of Science:
- Endocrinology
- Reproductive Biology
- Gynecology
Background:
- Thyroid hormones critically influence the female hypothalamic-pituitary-gonadal (HPG) axis.
- Thyroid dysfunction is associated with various reproductive issues, including menstrual irregularities, infertility, and adverse pregnancy outcomes.
Purpose of the Study:
- To provide a foundational understanding of thyroid hormone interactions with the female HPG axis.
- To review the pathophysiology of thyroid dysfunction in relation to female reproduction.
- To offer clinical insights for managing thyroid dysfunction in reproductive-aged women.
Main Methods:
- Literature review focusing on the interplay between thyroid function and the female HPG axis.
- Analysis of existing research on reproductive dysfunction associated with thyroid disorders.
- Synthesis of clinical guidelines and insights for management.
Main Results:
- Thyroid dysfunction disrupts multiple levels of the female HPG axis.
- Common autoimmune conditions can affect both thyroid and HPG axes.
- Thyroid disruptions pose risks during prepartum and intrapartum periods, impacting maternal and fetal health.
Conclusions:
- A comprehensive understanding of thyroid-HPG axis interactions is crucial for managing reproductive health in women.
- Effective management of thyroid dysfunction is vital for optimizing reproductive outcomes and maternal-fetal well-being.
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