It's not just your body that changes The woman is pregnant.
A new study led by researchers at the University of California, Santa Barbara, sheds light on how the brain responds to the rapid hormonal changes that occur during pregnancy.
Pregnancy is a “transitional time in a person's life involving major hormonal and physiological changes,” said study co-author Dr. Laura Pritchett in a conversation with Fox News Digital.
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“Studies comparing women before and after pregnancy provide the strongest evidence yet that the human brain undergoes neural changes during this period,” she said.
“But we know very little about how the brain changes during pregnancy.”
The study mapped how the brain responds to the rapid hormonal changes during pregnancy. (iStock)
Pritchett and her team launched the Maternal Brain Project to scan the brains of first-time mothers from before pregnancy until every few weeks for two years after giving birth.
This means: Researcher Pritchett said the researchers were able to record changes in the brain with “incredible detail” that “had never been recorded before.”
“These findings reveal that highly dynamic changes occur in the human brain during pregnancy, some of which never fully return to pre-pregnancy levels.”
“Our findings indicate that pregnancy is characterized by a progressive decrease in gray matter volume, cortical thinning, and improved white matter microstructural integrity with advancing gestational age,” she continued.
These changes in brain matter were also associated with significant increases in estrogen and progesterone. During pregnancy.
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“Together, these findings reveal highly dynamic changes occurring in the human brain during pregnancy, some of which never fully return to pre-pregnancy levels,” Pritchett said.
According to the researchers, this demonstrates a capacity for “extensive neural remodeling well into adulthood.”
A reduction in the brain's gray matter isn't necessarily a bad thing, she noted.
Researchers found that first-time mothers had a decrease in grey matter and an increase in white matter in their brains. (iStock)
The loss of grey matter may indicate a “fine-tuning” of brain circuits. Brain changes Pritchett told Fox News Digital that as they move through adolescence and into young adulthood, they become more specialized.
Some of the neurological changes are thought to be a response to the “high physiological demands” of pregnancy, showing how adaptable the brain is, the researchers said.
Overall, she noted, the study uncovered evidence of “profound changes” occurring in the brain that could help validate “the broad range of experiences of women during pregnancy.”
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Dr. Ernest Lee Murray, a board-certified neurologist at Jackson-Madison County General Hospital, Jackson, Tennesseetold Fox News Digital that he found the study “interesting.”
Murray, who was not involved in the study, defined neuroplasticity as the brain's ability to “reorganize neural pathways in response to changes in the brain, including growth, chemical changes, environmental exposure and injury.”
“Neuroplasticity is the brain's ability to reorganize neural pathways in response to changes in the brain, such as growth, chemical changes, environmental exposure or injury,” the neuroscientist told Fox News Digital. (iStock)
That brain structure changed so much in such a short time was one of the study's most “remarkable” findings, Murray said.
“This proves that the brain has an incredible ability to respond to a number of changes and stressors,” he said.
“We know that many changes occur in a woman's body during pregnancy, but this is the first time that images have documented changes in the brain at different stages.”
Focus on women's health
Pritchett stressed that pregnancy should not be considered a “niche research topic” because 85% of women will experience at least one pregnancy in their lifetime, and around 140 million women become pregnant each year.
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“These questions are long overdue, but the good news is that the world is now paying close attention to Women's Health “It's widespread and the future is bright because of that,” she told Fox News Digital.
“We hope that this proof-of-concept study will inspire further research to be conducted with larger, more diverse cohorts of women.”
The “profound changes” that occur in the brain could help demonstrate the “wide range of experiences” women go through during pregnancy, the researchers suggested. (iStock)
The researchers plan to use the new information from this study to further explore how changes in the brain may lead to neurological disorders during pregnancy, such as eclampsia, epilepsy, stroke and migraines.
“There are currently FDA-approved treatments Postpartum depression (It affects about one in five women), but early detection remains difficult,” Pritchett said.
“The more we know about the maternal brain, the more likely we are to be able to offer remedies.”
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Murray agreed that the study could help lay the groundwork for additional research looking at the various psychological or neurological conditions women may face during pregnancy.
Pritchett clarified that the study did not look at neurological changes linked to forgetfulness, “brain fog,” so-called “pregnancy brain,” or other side effects.
“The more we know about the maternal brain, the more likely we are to be able to offer remedies.”
“Further research is absolutely needed in this area to understand how brain changes during pregnancy connect to or cause cognitive, behavioral and health outcomes,” she said.
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“Each journey is different; some women report mood changes and forgetfulness, others don't, so we need to understand how and why these differences occur.”
