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A member asked:
How quickly can conception happen in test tube?
6 doctors weighed in across 3 answers
About 18-24 hrs: When egg and sperm are combined in the petri dish (not a test tube) with the invitro fertilization technique fertilization can occur over an 18-24 hour period. This cannot be observed to have occurred until the petri dish is removed from the incubator after approximately 18-24 hours from the time they were placed together. The exact time cannot be definitely determined..
Answered 7/5/2012
5.9k views
Conception: How quickly conception occurs is more of a theological or philosophical question than a biologic one. If we define conception as evidence of fertilization than within 24 hrs of the addition of sperm to an egg we can see evidence of fertilization; release of the second polar body and two distinct pronuclei one from the egg and one from the sperm. Implantation occurs after embryo transfer.
Answered 8/17/2012
5.9k views
In Vitro: Conception occurs almost immediately in a test tube. Dating is easy since the date of conception is known.
Answered 4/13/2012
5.9k views
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