Comparison of Frozen-thawed Embryo Transfers and Fresh Embryo Transfers With Whole Chromosome Analysis Using Next Generation Sequencing
| Status: | Active, not recruiting |
|---|---|
| Conditions: | Women's Studies, Infertility |
| Therapuetic Areas: | Reproductive |
| Healthy: | No |
| Age Range: | 18 - 42 |
| Updated: | 4/21/2016 |
| Start Date: | September 2013 |
| End Date: | December 2016 |
The investigators propose to perform a clinical randomized trial to evaluate the effect of a
frozen-thawed embryo transfer and a fresh embryo transfer on pregnancy and implantation
rates; with the added benefit of a blastocyst biopsy and whole chromosome analysis by Next
Generation Sequencing (NGS).
frozen-thawed embryo transfer and a fresh embryo transfer on pregnancy and implantation
rates; with the added benefit of a blastocyst biopsy and whole chromosome analysis by Next
Generation Sequencing (NGS).
1. Fresh group: All embryos will be hatched on day 3. Patients will have hatching
blastocysts (*) biopsied on day 5, analyzed by NGS, and will have one or two euploid
embryo transferred on day 6, in the am. If more than two euploid blastocysts are
available the one(s) to be transferred will be selected based on morphology (*). Any
morulas developing to hatching blastocyst on day-6 will be also analyzed but vitrified
for use in a future cycle.
2. Frozen group: All embryos will be hatched on day 3. Patients will have hatching
blastocysts (*) biopsied on day 5 or day 6, embryos will then be vitrified, analyzed by
NGS, and will have one or two euploid embryo(s) thawed and transferred on a FET cycle,
before noon. If more than two euploid blastocysts are available the one(s) to be
transferred will be selected based on morphology (*).
(*) Hatching blastocysts as described by Gardner and Schoolcraft (1999):
blastocysts (*) biopsied on day 5, analyzed by NGS, and will have one or two euploid
embryo transferred on day 6, in the am. If more than two euploid blastocysts are
available the one(s) to be transferred will be selected based on morphology (*). Any
morulas developing to hatching blastocyst on day-6 will be also analyzed but vitrified
for use in a future cycle.
2. Frozen group: All embryos will be hatched on day 3. Patients will have hatching
blastocysts (*) biopsied on day 5 or day 6, embryos will then be vitrified, analyzed by
NGS, and will have one or two euploid embryo(s) thawed and transferred on a FET cycle,
before noon. If more than two euploid blastocysts are available the one(s) to be
transferred will be selected based on morphology (*).
(*) Hatching blastocysts as described by Gardner and Schoolcraft (1999):
Inclusion Criteria (pre-stimulation):
- Age up to 42 years
Exclusion Criteria (pre-stimulation):
- MESA and TESE patients
- At least one partner carrier of a chromosomal abnormality
- Egg donor cycle (sperm donor is acceptable)
- Gender selection cycles
- Thaw cycles
- Any patient who cannot have a fresh embryo transfer
- FSH above 12 or AMH less than 1
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