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Doctor insights on: Implantation Of Fertilized Ovum Begins What Day After Conception

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Dr. Brad Goldenberg
Board Certified, Pediatrics
30 years in practice
1M people helped
1

1
Can pcos affect the stage of implantation of the fertilized ovum,after the fertilization of ovum implantation can not occur because of pcos factors?

Can pcos affect the stage of implantation of the fertilized ovum,after the fertilization of ovum implantation can not occur because of pcos factors?

Clarify ?: Polycystic ovary syndrome has certain effects on the ability to conceive, but I don't believe that extends to altering the stage of implantation of the fertilized ovum. You really should discuss questions like this to a reproductive endocrinologist, I think that would help in your understanding of the physiology and effects of PCOS ...Read more

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Dr. Ward Dean
Board Certified
37 years in practice
804K people helped
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Implantation (Definition)

One common meaning refers to the process by which an embryo attaches to the uterus of a woman so that she is pregnant. Many think of it as 'sticking.' implantation in humans always occurs when the embryo is between 6-7 days old. A very popular concept on the internet now in 2012, 'implantation bleeding, ' is speculative ...Read more


Dr. Carol Peters-Tanksley
Board Certified, Obstetrics and Gynecology
29 years in practice
821K people helped
2

2
If you have sex, are you pregnant that day and start counting that as conception, implantation, and fertilization. How long does it take ?

If you have sex, are you pregnant that day and start counting that as conception, implantation, and fertilization. How long does it take ?

From menses: Ovulation normally occurs two weeks after the first day of menses. As long as sperm is present at that time, fertilization happens right after ovulation. Implantation happens about 5 days later. ...Read more

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Dr. Ward Dean
Board Certified
37 years in practice
804K people helped
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Dr. Joseph Maklansky
Board Certified, Radiology
18 years in practice
188K people helped
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Dr. Gerard Honore
Board Certified, Fertility Medicine
23 years in practice
55M people helped
4

4
Does a failed zygote implantation delay the menstrual cycle?

Does a failed zygote implantation delay the menstrual cycle?

Implantation: Theoretically yes, but it wouldn't delay more than 1-2 days without a positive pregnancy test. If a period is late and test negative it's possible, but no way to say for certain. ...Read more

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Dr. Ward Dean
Board Certified
37 years in practice
804K people helped
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Dr. Khurram Rehman
Board Certified, Fertility Medicine
20 years in practice
6M people helped
5

5
Do consecutive failed zygote implantation affect fertility? My uterus lining will be recovering from a marina coil removal(which thins the u wall out)

Do consecutive failed zygote implantation affect fertility? My uterus lining will be recovering from a marina coil removal(which thins the u wall out)

Fertility recovers: The Mirena releases progestin which thins your uterine lining and makes it unfavorable for implantation. Once the Mirena is removed your lining recovers and your fertility should be back to normal very rapidly. Not getting pregnant the first 2 months after Mirena removal does not affect your future chances, but at 32 you should get pregnant in the first year of trying. See your doctor if not. ...Read more

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Dr. Charles Whiting
Board Certified, Obstetrics and Gynecology
21 years in practice
2M people helped
6

6
Sorry,a follow up question to the previous. Will the morning after pill prevent fertilization/implantation in the egg knowing that they are ovulating?

Sorry,a follow up question to the previous. Will the morning after pill prevent fertilization/implantation in the egg knowing that they are ovulating?

No: The morning-after pill works by delaying ovulation. Sperm hang around for several days but no pregnancy will occur if ovulation is delayed until the sperm are all gone. If an egg is already there, the morning after pill doesn't prevent fertilization or implantation. The good news is that the egg is viable for a short time, not days and days. Best wishes! ...Read more

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Dr. Victor Beshay
Board Certified, Fertility Medicine
14 years in practice
1M people helped
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Is hCG produced at time of fertilization (when sperm meets egg) or only when implantation occurs?

Is hCG produced at time of fertilization (when sperm meets egg) or only when implantation occurs?

A little after: Hcg can be screted by the embryo after fertilization and before implantation. However, HCG is likely detected by testing after implantation. ...Read more

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Dr. Mark Trolice
Board Certified, Fertility Medicine
25 years in practice
128K people helped
8

8
How soon after sex is an egg fertilized? How soon after fertilization will your basal body temperature rise and implatation bleeding appear?

How soon after sex is an egg fertilized? How soon after fertilization will your basal body temperature rise and implatation bleeding  appear?

Varies: The egg typical survives and awaits fertilization in the reproductive tract for up to 24 hours. Basal body temperature rises not from fertilization but from the increase in Progesterone as a result of the lh surge at the time of ovluation. This surge is what is detected in home ovulation predictor kits. Implantation bleeding is inconsistent sign of pregnancy but can occur 1week after fertilizes. ...Read more

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Dr. Karen Jones
Board Certified, Obstetrics and Gynecology
31 years in practice
4M people helped
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9
Can implantation bleeding still occur on day 16 after conception?

Can implantation bleeding still occur on day 16 after conception?

Yes: Implantation bleeding occurs when the embryo is starting to grow into the wall of the uterus. This occurs starting around day 14 and for 1-2 weeks after. So any spotting or light bleeding for a couple of days during that time can be implantation bleeding. ...Read more

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Dr. Robert Killian
Board Certified, General Practice
22 years in practice
327M people helped
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Can you experience implantation bleeding a day after conception?

Can you experience implantation bleeding a day after conception?

No such thing: First there is no such thing as bleeding with implantation. Although a few women experience a drop of blood or two. But the bigger issue is that impregnation does not happen this soon. And, thus implantation is usually seven to twelve days after sexual intercourse. ...Read more

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Ovum (Definition)

Ovum is one proper name for the female gamete, also called oocyte, and (most commonly) 'egg.' ova (plural) exist in the ovaries of females, and are released in the reproductive years during ovulation. Most ova are lost not through ovulation, but some believe through ...Read more


Zygote (Definition)

The union of sperm cell and egg cell forms a new cell which is called the zygote. This single cell represents the beginning of each of us ...Read more


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Dr. Ward Dean
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