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Once upon a time ... a sperm meeting an egg. This pretty beginning will have a continuation only if the egg born from this union manages to nest comfortably in the hollow of the uterus. Story of this installation: nesting.
Nesting, the sign that you are pregnant
- The day one of your partner's sperm fertilizes one of your eggs, that's it, you're pregnant! In fact, your pregnancy will not really have "taken" until the egg from this meeting will have firmly secured to the wall of your uterus and even buried inside. This is the stage of nesting.
- Once it is successful, the egg is installed, it has all the protection and resources necessary to carry out its development for nine months. This is how your baby is nesting.
- Are there any symptoms of implantation? Some women say that they have experienced tugging or cramping in the lower abdomen, others have chest pains, while others have had fever. Possible, but not certain that these symptoms are related to implantation.
Before nesting: the journey to the uterus
- Just fertilized, the egg - your future baby - sets off on a journey that will take him down one of your tubes to the entrance to your uterus. It progresses thanks to the muscles of the trunk which, by contracting, propel it forward, but also thanks to the movements of the eyelashes lining the wall of this "tunnel".
- During this trip of three to four days, the egg develops thanks to the division of the cells that compose it, tripling its measurements! To feed himself, he draws on his reserves: he has everything he needs on him.
- Having reached the womb where he will stay nine months, he lives his last hours of freedom! Like a free electron, he stays there for about three days, without trying to weave links with the surrounding environment. This does not prevent it from continuing to grow.
- Does he take advantage of this time to find the best location to settle? Is he waiting until the uterine lining is ready to receive it? Probably a bit of both.
- It begins to attach to the uterine wall, the endometrium, only from the 6th or 7th day. He then opts for an intermediate place: not too close to the "entrance" at the mouth of the trunk, or too close to the "exit" at the birth of the cervix.
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