Progesterone is a hormone needed to maintain a pregnancy, and in menstruating animals, it starts to increase before the animal is pregnant. And before that increase happens, a rise in estrogen ...

Unlike other primates, humans are exposed to high levels of placental sex hormones in the womb, which may have shaped our ...

Oxytocin, the "cuddle hormone" that's known for its involvement in bonding, may also play a role in putting early pregnancies ...

A study of female mice found that two hormones produced during pregnancy alter brain circuits that control parenting behaviors, a team reports in the journal Science. The changes make an animal's ...

Scientists have shown how pregnancy hormones alter a brain circuit in ... KOHL: The salience, the relevance of the pup is more obvious to the animals. So at the level of these neurons, for ...

One way in which you can measure gestation in wild animals is by looking at their bloodwork, as we know that certain hormones will be higher during gestation, such as progesterone. For bowhead ...

So, what animal has the longest gestation period ... These glands stick around for a while during pregnancy, releasing important hormones that help the embryo develop. While most mammals only have one ...

"We found that the pregnancy hormones estradiol and progesterone ... But for progesterone, the effects involved permanent remodeling of the animals' brains. "In this particular case, progesterone ...

GDF15 is a hormone affecting the ... with live birth), comparing their pregnancy outcomes with ethnicity- and age-matched women without thalassemia. Animal experiments involved the administration ...

During major transitions like puberty, pregnancy ... female animals from experiments, to avoid having to deal with differences in behavior and physiology associated with cycling hormones.