You can also suspend it when you are pregnant

In modern society, in order to plan their own lives, contraceptive measures often need to be adopted in the sexual relations.Fundamentally, human contraceptive methods are to prevent the two processes -first to prevent sperm and eggs, and condoms are commonly used condoms at this stage; if this process is not effectively prevented, it must be prevented from early embryos.Bed, taking contraceptives is commonly used at this stage.

Once the early embryo is bed, women will enter the process of pregnancy. At this time, even if they take contraceptives, it is useless.In October, no one can stop this process, unless abortion, and this process is greatly harmful to women.

However, things that we humans cannot stop, from the perspective of animals, are simply not a matter, because they can stop pregnancy!Don’t try to stop fertilization, but you can control the process of pregnancy -when you want to get pregnant when you want to get pregnant, accurately control your child’s birth time, and avoid the trouble caused by pregnancy.This skill really enviouss us humans. What is going on?

According to surveys, some bags and more than 130 kinds of mammals can be suspended.For many animals, early embryos will be implanted in the mother’s uterus at a specific time, and gradually nourish into babies.However, for the above -mentioned animals that can be suspended from pregnancy, they can make early embryos in a dormant state like seeds, but they are not in bed in the uterus of the mother. Scientists call this phenomenon "embryo stagnation".It wasn’t until the mother secreted some molecular regulators that they woke up these dormant embryos and prompted them to continue to develop.For wild animals, "embryo stagnation" is a biological strategy.In the face of conditions that are not conducive to maintaining newborn growth, such as insufficient food, insufficient fat storage of mothers, or older brothers and sisters who have no weaning, animal mothers will postpone the pregnancy process.

Bear, crickets, seal otters, and some animals like Itachi rats often occur during the reproductive cycle often occur during the breeding cycle.Taking bear as an example, many types of bear mate in the late spring or early summer, but the female bear will not choose to directly implant the embryo.The female bear will eat crazy first. When her weight increases a few months later, and has enough fat, she plants one or more embryos into the uterus.Bear’s cubs are generally arranged in the late winter and early spring, so that the newborn bear will not face the winter environment of food shortage.

However, how the embryo stagnation process is still a mystery at the molecular level -scientists are not clear about what signals transmitted between the early embryos and the uterus, and they do not know how the signal is transmitted.At present, scientists have conducted in -depth analysis of embryonic stagnation, and have achieved some preliminary results.This research will inspire future cancer treatment -if we master how to hypnotize and awaken cells, it can enable cancer cells to enter a dormant state, which will help chemotherapy.You can also make cancer cells in the most active state when the drug takes effect, so that the drugs kill it in a short period of time.

Some people will ask, can humans realize "embryo stagnation"?This is unlikely, because humans cannot perceive when they have formed an early embryo.Of course, with the deepening of research and the breakthrough of technology in the future, scientists may help humans realize this dream.

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