Until recently, it wasn't possible to watch in real - time this process because it begins in
a fetus during the second trimester of pregnancy.
Not exact matches
Most pregnant women suffer from hemorrhoids
during the
second and third
trimester, when the
fetus puts a lot of pressure on the abdomen and hormonal changes cause hemorrhoidal blood vessels to swell.
It is possible that a temporary structure of neurons that appears in a
fetus's brain
during the
second trimester allows it to sense pain.
Fetuses of women with positive anti-tTG weighed 16 grams less than those of women with negative anti-tTG levels
during the
second trimester and weighed 74 grams less
during the third
trimester.
The drugs already carry a warning against their use
during the
second and third
trimesters of pregnancy because of the danger of kidney damage in the
fetus.