About this trial
The overall objective is to establish the first-of-its-kind longitudinal cohort of pregnant women, biological fathers/partners and offspring from pregnancies achieved by frozen embryo transfer (FET), fresh-embryo transfer (fresh ET) and naturally conceived (NC) to investigate maternal cardiometabolic profiles, fetal growth patterns and placental function during pregnancy as well as metabolic and endocrine health in the offspring. Additionally, the aim is to explore genetic and epigenetic patterns in placenta, fetus and parents. As secondary objectives, the investigator group will examine telomere length and minipuberty hormones in children born after FET, fresh-ET and NC.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
None
Disqualifiers
Maternal pregestational diabetes type 1 or 2
Non-singleton pregnancies
Maternal pregestational BMI > 35 kg/m2
Severe maternal co-morbidity
Trial population
The study population will be recruited from the Capital Region of Denmark.
Trial design
Cohort
Prospective
Treatments tested in this trial
Not listed
Trial groups
Trial outcomes
Primary outcomes
Offspring body composition
Total fat mass (in gram) assessed by air displacement plethysmography (PEA POD).
Maternal cardiometabolic profile
Fetal growth patterns determined by ultrasound
Secondary outcomes
Epigenetic in placenta and cord blood
Differences between ovulatory FET, programmed FET, fresh ET and NC
Early markers of reproductive function in FET, fresh-ET and NC children: LH, FSH, SHBG, AMH, androgens, estrogens (SDS)
Bloodsamples: Differences between ovulatory FET, programmed FET, fresh ET and NC
Telomere length in children born after FET, fresh-ET and NC children
Differences between ovulatory FET, programmed FET, fresh ET and NC in 1) LTL in newborns and 2) parental LTL
Sponsors and contacts
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Rigshospitalet, Denmark
Lead sponsor
Herlev Hospital
Collaborator