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Transfer of Frozen Embryos in Natural Cycle: Evaluation of Impact of Spontaneous Versus HCG-triggered Ovulation on Pregnancy Rate

Not Applicable
Completed
Conditions
in Vitro Fertilization
Registration Number
NCT03428165
Lead Sponsor
Centre Hospitalier Universitaire de Nīmes
Brief Summary

The purpose of the study is to evaluated whether there is a difference in pregnancy rate when transferring frozen embryos between patietns having spontaneously ovulated versus those triggered to voulate with HCG.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Female
Target Recruitment
103
Inclusion Criteria
  • The patient must have given their free and informed consent and signed the consent form
  • The patient must be a member or beneficiary of a health insurance plan
  • The patient is aged between 18 and 40
  • Patient has regular cycles and classified as 'easy' for transfer of a frozen embryo at blastocyste stage (vitrification day 5)
Exclusion Criteria
  • The subject is participating in an interventional study, or is in a period of exclusion determined by a previous study
  • The subject refuses to sign the consent
  • It is impossible to give the subject informed information
  • The patient is under safeguard of justice or state guardianship
  • Patient using donated oocytes
  • Necessity of pre-implantation diagnosis
  • Patients with stage 3 or 4 endometriosis or adenomyosis

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
Pregnancy rate after transfer of frozen embryos at day 14 between groupsDay 14

Yes/no; Blood ßHCG \> 100UI/L

Secondary Outcome Measures
NameTimeMethod
Pregnancy rate at week 12Week 12

Yes/no; ultrasound

Miscarriage rate within first 12 weeksWeek 12

Yes/no; ultrasound

Cancellation of transfer due to premature ovulation (progesterone >3ng/ml and/or Luteinizing hormone > 3-fold base level)Day 0

Yes/no

Number of visits for endometrial preparation until attaining LH peakDay 0

Number of visits

Pregnancy termAt delivery, maximum week 42

Weeks

Birth weightAt delivery, maximum week 42

Kg

Live birthAt delivery, maximum week 42

Yes/no

Trial Locations

Locations (2)

CHU Arnaud de Villeneuve

🇫🇷

Montpellier, France

CHU Nimes

🇫🇷

Nîmes, France

CHU Arnaud de Villeneuve
🇫🇷Montpellier, France
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