Science and Technology · Biotechnology
In Mitochondrial Donation Treatment (MDT) techniques such as Maternal Spindle Transfer (MST) and Pronuclear Transfer (PNT), when can the replacement of mitochondrial material be carried out in relation to in vitro fertilization (IVF)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It is exclusively carried out before the extraction of mature oocytes from the ovaries.
- 2It can only be executed during the second trimester of gestation through amniocentesis.
- 3It must strictly be performed only after the embryo reaches the blastocyst stage.
- 4It can be performed either before fertilization of the egg or after fertilization has occurred.✓
Correct answer
It can be performed either before fertilization of the egg or after fertilization has occurred.
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