Archive for the ‘Rheumatoid Arthritis’ Category

Pregnancy Reduce Rheumatoid Arthritis-2

The risk, however, increases with age

Women who had had her last child in the last five years were 71 percent less likely to RA than women without children. In contrast, the risk was 24 percent lower in women who had given birth more than 15 years ago.

“The most interesting result was the relationship between the risk of acquiring this disease and the time from birth, particularly how that relationship weakened over time, because it supports our hypothesis that fetal cells, we now know that last decades after birth, would be good for the mother, “said Guthrie.

The team found that 9 percent of the 120 participants who had had a child in the last five years, suffered from Rheumatoid Arthritis (RA). So did 14 percent of 345 women who had given birth to between five and 15 years earlier and 17 percent of 805 mothers who were for more than 15 years.

24 percent of the 406 women without children suffering RA. But since the study compared a group of women with RA with a healthy group, those percentages do not reflect women’s risk of RA according to their obstetric history.

Fetal cells and level of protection

The new findings do not prove that having children reduces a woman’s risk of getting AR. But it is possible, “said Guthrie, that fetal cells remain in the mother’s body will provide some level of protection.

These fetal cells are genetically distinct from those of the mother, because half of the genes of the children from the father. And if the cells carry genes that reduce the risk of AR, that could, in theory, change in a woman’s chance of developing the disease.

Pregnancy Reduce Rheumatoid Arthritis-1

Fetal Cells in Pregnancy Reduce Rheumatoid Arthritis
A new study found that women who have a baby would present less risk of developing rheumatoid arthritis than women without children, although this potentially protective effect would disappear with age.

Rheumatoid arthritis

Rheumatoid arthritis (RA) arises when the immune system mistakenly attacks the joints of the knees, causing inflammation, pain and progressive joint damage. It is more common in women than in men, and often appears in the reproductive age.

An estimated 1, 3 million American adults, or 0, 6 percent of the adult population has RA.

Some previous studies, but not all, had indicated that pregnancy reduced the risk of RA.

The cause is unknown, but one theory is that fetal cells pass into the mother during pregnancy, help to lower the risk of generating the disease.

A team of researchers from the Cancer Research Center Fred Hutchinson and the University of Washington in Seattle, analyzed the obstetric records of 310 women newly diagnosed with RA and 1418 women without the condition.


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