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** Implantation Calculator **

When Is Implantation Likely To Occur?

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Implantation is the beginning of pregnancy at which stage the embryo
adheres to the wall of the uterus. At this early stage of prenatal
development, the embryo is called a blastocyst. Implantation of a
fertilized ovum is most likely to occur about 9 days after ovulation, but
can range between 6 to 12 days.
*Use this calculator to find the most likely date range for implantation
based on your cycle:*

*Option 1 - I Know When


Source: www.countdowntopregnancy.com/tools/implantation_calculator.php


when is implantation


Implantation (human embryo) - Wikipedia, the free encyclopedia

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** Implantation (human embryo) **

From Wikipedia, the free encyclopedia
Jump to: navigation, search

Question book-new.svg
This article *relies largely or entirely upon a single source*. Relevant
discussion may be found on the talk page. Please help improve this article
by introducing citations to additional sources. /(September 2008)/

Fertilization in humans. The sperm and ovum unite through fertilization,
creating a zygote that (over the course of 8-9 days) will implant in the
uterine wall, where it will reside over the course of 9 months.

In humans (as in all other mammals, except for monotremes), *implantation*
is the very early stage of pregnancy at which the embryo adheres to the
wall of the uterus.^[1] At this stage of prenatal development, the embryo
is a blastocyst. It is by this adhesion that the fetus receives oxygen and
nutrients from the mother to be able to grow.

In humans, implantation of a fertilized ovum is most likely to occur about
9 days after ovulation, ranging between 6 and 12 days.^[2]

*Contents*

· 1 Implantation window
· 2 Adaptation of uterus

· 2.1 Predecidualization
· 2.2 Decidualization

· 2.2.1 Trigger
· 2.2.2 Parts of decidua

· 2.3 Decidua throughout pregnancy
· 2.4 Pinopodes

· 2.4.1 Function in implantation
· 2.4.2 Function during implantation

· 3 Adaptation of secretions

· 3.1 Nourishment
· 3.2 Growth and implantation

· 4 Mechanism

· 4.1 Zona hatching

· 4.1.1 Factors

· 4.2 Apposition

· 4.2.1 Location

· 4.3 Adhesion

· 4.3.1 Communication

· 4.3.1.1 proteoglycan receptors

· 4.4 Invasion

· 4.4.1 Syncytiotrophoblasts
· 4.4.2 Secretions


Source: en.wikipedia.org/wiki/Implantation_(human_embryo)

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