The Revealed Long-Term Effects of Pregnancy on Different Body Parts

As anyone who goes through it knows, pregnancy transforms the body a lot. And now we have the most detailed picture of how it affects the blood, organs and immune system each week. This not only helps to provide post-pregnancy treatment, but also helps to identify the risk of developing certain conditions during pregnancy.

“We’ve got an unprecedented view of how much it takes a mother’s body to change weekly, to make up for the incredible load and how long it takes to recover after delivery,” he says. Uriaron At the Wiseman Institute of Science, Rehobot, Israel.

Despite its importance, pregnancy has not been studied, Aron says. For example, previous studies have tracked how about 20 blood markers change, including salt and iron levels. Up to about 6 weeks for dozens of pregnant women After delivery, samples collected during standard healthcare will be used. “These experiments are usually performed in a small number of patients and sample only once at the late pregnancy or at each time point,” Aron says.

To gain a more comprehensive view, Aron and his colleagues analyzed previously collected blood samples from over 160,000 women in Israel, ages 25 to 31. Together, these samples provided weekly, weekly physical snapshots from 20 weeks of conception to 18 months after birth, with each woman providing several points of data. This approach gives useful insight into how the body generally changes during pregnancy at the population level, but says that following the same woman over time will provide a better picture of the individual trajectory. Christofree Imperial College London.

The researchers mapped changes in 76 blood markers, including levels of protein, fat and salt that show the functioning of the liver, kidneys, blood, muscle, bone and immune system. They found that each of these markers differed significantly from preconcept levels during pregnancy to gradually return to preconceived levels or reverse overshooting before returning to preconceived baseline.

In particular, scientists found that 36 markers, including those associated with blood clotting, bounced off within a month of delivery, but 31 markers took more than 10 weeks to recover. For example, some changes to the liver and immune system took about 5 months to return to prepregnancy levels, and some kidney markers took about six months. Some bone and muscle markers took even longer. It is unclear what exactly this means for women’s health, but it should be investigated in future work, Aron says.

Additionally, several other markers did not return to baseline levels for more than one year after birth. “The slightly archaic view that by six or eight weeks after pregnancy, everyone is completely back to normal is clearly wrong,” says Leeds.

For example, iron levels remained much lower after giving birth. “Women are very likely to have anemia [have low iron levels] I think it will take 6-12 months for the iron shop to return to normal after giving birth due to bleeding, and as the developing fetus removes many iron stores from the body.

Meanwhile, levels of proteins called CRP remained high. “CRP is affected by many different processes. Inflammation is certainly one of them, but things like hormonal changes can also affect this,” says Lees. In another analysis, the team examined differences in markers between women with prelammosis. This saw people who are pregnant and not with hypertension, where high blood pressure can cause headaches, vision problems and pain under the ribs. This revealed that women who developed pre-lamp syndrome before conception had increased levels of blood cell fragments called platelets and proteins called ALT.

“For decades, the idea was that if the placenta wasn’t properly planted and not properly planted, the blood supply would be destroyed and the mother would release the hormones and substances that would help her blood pressure,” says Leeds. “However, some studies suggest that those who developed it have different cardiovascular functions before pregnancy. These findings add weight to this theory.”

If further studies have shown that these conceptual markers actually indicate the risk of pre-lammosis, they could be used to identify potentially high-risk women. “Then you can target ways to improve your health before pregnancy (through exercise and lifestyle advice) and reduce your risk,” says Leeds.