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I'm not sure what you mean.

Ideally, when a fertilized egg attaches to the uterus,

there is no menstrual bleeding.

Hormonal changes prevent this from happening.

If you are referring to the "bleeding" that facilitates the exchange of nutrients,

as in through the placenta. It takes a while for a placenta to form

and then the exchange of nutrients continues until the baby is born.

If you are bleeding (menstruating) then you probably are not pregnant.

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15y ago
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9y ago

It can take up to 10 days for a fertilized egg to implant in the uterus. Thus why you can take emergency contraception such as Ella One or use an IUD to prevent pregnancy up to 5 days after sex.

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8y ago

The egg does not attach to the placenta.

The egg implants into the wall of the uterus and grows to form the embryo and later the fetus and placenta (around twelve weeks)

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11y ago

4 days

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Q: When the egg attaches to the uterus how long does the bleeding last?
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Related questions

What is break through bleeding and how long can this last for?

Break through bleeding (also know as implantation bleeding) is when the fertilised egg implants in the built-up lining of the uterus. This often causes some of the blood vessels in the lining to burst, which causes the bleeding


What is the earliest implantation bleeding occurs?

Implantation can sometimes cause a bit of spotting or bleeding, known as implantation bleeding. Implantation bleeding is a small amount of bleeding in the uterus that occurs when the egg implants into the uterus. A specific tissue, known as trophoblast, develops from the fertilized egg and it surrounds it. It is what attaches the egg to the inside of the uterus, and actually eats its way into the uterus. The trophoblast actually pulls the egg to the inside of the endometrium. Trophoblast even invades the mother's blood vessels and diverts her blood to the fertilized egg. Sometimes, this blood will leak and this causes implantation bleeding. Thus, it is possible that it can be as many as 5 to 14 days between the time of sexual intercourse and the time that the fertilized egg implants in the uterus. 14 days is a little long, it usually takes five days just for the egg to travel down the fallopian tube.


How long does it take for an embryo to attach to the uterus after ivf?

The embryo attaches to the wall of the uterus at implantation - between 4 and 12 days after conception. See article at Link (below)


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