When Does Implantation Occur?
Egg/Embryo Implantation of Pregnancy

When does implantation occur?

Pregnancy implantation takes place during the luteal phase (second half) of your ovulation cycle which begins at ovulation.

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Egg/embryo implantation is most accurately determined from your ovulation date. The embryo implants approximately one week (5 to 10 days) post ovulation. If you don't know when you ovulate, then implantation occurs about 3 weeks after your last menstrual period if you have regular 26 to 30 day cycles. This is less accurate because many women don't have regular cycles.

How long does implantation take?

Starting from ovulation, fertilization takes place within 24 hours, this is the beginning of conception. After the egg (ovum) is fertilized, it travels down the fallopian tube and enters the uterus about 5 to 7 days later. Once there, it still takes about 1 to 3 days before it implants. When it is ready, it burrows into the prepared endometrium (uterine lining) where it will attach and grow the placenta to receive nourishment from your body.

Once implanted, the embryo makes hCG (human chorionic gonadotropin) (the pregnancy hormone) which signals the corpus luteum to continue producing progesterone. If implantation does not occur, the corpus luteum does not receive the signal and progesterone production will drop and your uterine lining will break down and your period will begin. Click here to discover more about natural progesterone cream.

Implantation marks the 'official' beginning of your pregnancy. If it does not implant the embryo will die and your period will start as usual. This happens more than you may realize because you never know that that fertilization takes place and when your period starts, you assume a failed attempt at conception and try again next time. This is nothing you should be concerned with it is a natural occurrence as the egg or embryo just wasn't viable enough to survive. It's just simply a part of nature. However, if you have a short luteal phase, this does not allow enough time for pregnancy implantation to take place. Lengthening your luteal phase is usually easy to accopmlish

Related pages

Pregnancy Implantation | How Long to Get Pregnant? | Two Week Wait | What Happens at Conception? | When Does Conception Occur? | What Is Ovulation? | When Does Ovulation Occur? | Luteal Phase Defect |

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