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One such relatively recent study tells us that implantation does not always take place on day 7 after ovulation. In fact it very rarely does. This study by AJ Wilcox (1) accurately determined the day of implantation by very sensitive pregnancy test (HCG) measurement compared to ovulation. HCG hormone starts being produced when the pregnancy implants into the uterine lining. The findings in normal women trying to conceive included: * first appearance of HCG (implantation) occurred 6-12 days after ovulation * 84% of the pregnancies implanted on days 8-10 after ovulation * early pregnancy loss increased with later implantation - implantation early pregnancy loss rate o 13% by day 9 o 26% on day 10 o 52% on day 11 o 86% on day 12 or more Overall the total pregnancy loss up to 6 weeks was 25%. Now that seems very high to most people but keep in mind many of these pregnancy losses occurred so early that women often were not aware they were even pregnant. The normal early pregnancy loss rate that most women know about is 15-18% of clinically recognized pregnancies so almost 40% of all pregnancy loss is unrecognized.

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19y ago

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Related Questions

Can implantation bleeding take place a week afer a missed period?

Implantation bleeding generally occurs 6 - 12 days after ovulation.


Does implantation take place in the oviduct?

No, implantation occurs in the uterus. After fertilization, the fertilized egg travels through the fallopian tube and implants into the lining of the uterus where it will develop into an embryo.


Do you always feel when implantation takes place?

As far as I am aware you don't feel when implantation takes place.


Where and when does implantation take place?

Implantation typically occurs in the lining of the uterus about 6-10 days after fertilization. This process is essential for a fertilized egg to attach to the uterine wall and establish a pregnancy.


Where does implantation of a fertilized egg most often take place?

Implantation of a fertilized egg most often occurs in the lining of the uterus. This is where the embryo attaches and begins to develop during pregnancy.


Where in a woman's body does implantation of a fertilized egg most often take place?

Implantation of a fertilized egg most often takes place in the uterus, specifically in the lining of the endometrium. This is where the fertilized egg embeds itself and begins to develop into an embryo.


How long after conception does implantation take place?

Implantation typically occurs about 6-12 days after fertilization, when the fertilized egg attaches to the lining of the uterus.


Where does implantation take place in a normal pregnancy?

Implantation occurs in the lining of the uterus, specifically in the endometrium. This process involves the attachment of the fertilized egg, or embryo, to the uterine wall, where it will continue to grow and develop throughout the pregnancy.


Where in a women's body does implantation of a fertilized egg most often take place?

The fertilized egg most often implants in the lining of the uterus.


Where in the female reproductive system does implantation takes place?

Fertilization occurs in the fallopian tubes and implantation in the uterus. specifically in the endometrial lining.


What are first week pregnancy symptoms?

technically you are not pregnant until implantation has taken place. in the first week of pregnancy you do not notice anything. implantation bleeding and a missed period are the first symtoms of a pregnancy and in some cases morning sickness or the urge for more sleep. other then that the changes to a woman's body take place later on.


What is the longest time possible it can take from conception to implantation?

Most experts agree that implantation happens between 10-14 days after conception.