The Impact of the Timing of Trigger on IVF Success

  • End date
    Jun 17, 2023
  • participants needed
  • sponsor
    Colorado Center for Reproductive Medicine
Updated on 25 February 2022
follicle stimulating hormone
ovarian stimulation
anti-mullerian hormone
Accepts healthy volunteers


The aim of this study is to examine the length of ovarian stimulation with the timing of trigger in an IVF cycle and its potential to impact patient outcomes.

Condition Fertilization in Vitro, Infertility, Embryonic Development
Treatment Timing of trigger
Clinical Study IdentifierNCT02990949
SponsorColorado Center for Reproductive Medicine
Last Modified on25 February 2022


Yes No Not Sure

Inclusion Criteria

Planning to move forward with an IVF cycle
Have met the requirements of being a patient at CCRM Colorado
AMA: 39-44 years old And/or
DOR: AMH < 1 & FSH >10 (age independent)

Exclusion Criteria

Contraindication for pregnancy
Have not fulfilled requirements for IVF cycle
Single gene couple or chromosomal rearrangement
Severe male factor or testicular surgical sperm removal (need sufficient sperm for ICSI)
One ovary
Uterine anomalies
Stage III or IV endometriosis
Explained recurrent miscarriage
Using donor oocyte or gestational carrier
Clear my responses

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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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