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Comparison of Fetal Thymus Volumes of Pregnant Women With In Vitro Fertilization (IVF) and Spontaneous Pregnant Women.

Comparison of 18-24 Week Pregnant Women With in Vitro Fertilization (IVF) and Pregnant Women With Spontaneous Pregnancy in the Same Week in Terms of Fetal Thymus Volume

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT05347433
Enrollment
74
Registered
2022-04-26
Start date
2019-07-09
Completion date
2021-08-01
Last updated
2022-04-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy

Keywords

Fetal thymus volume, In vitro fertilization

Brief summary

The purpose of the study was to compare the fetal thymus volumes of 18-24-week pregnant women with In Vitro Fertilization (IVF) and spontaneous pregnant women.

Interventions

None listed

Sponsors

Karadeniz Technical University
Lead SponsorOTHER

Study design

Observational model
CASE_CONTROL
Time perspective
CROSS_SECTIONAL

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 34 Years
Healthy volunteers
Yes

Inclusion criteria

* pregnant between 18-24 weeks * had no complaints * between the ages of 18-35 * conceived with in vitro fertilization or spontaneously

Exclusion criteria

* history of endocrinopathies (including diabetes mellitus, hyperprolactinemia, Cushing's disease, and congenital adrenal hyperplasia), systemic diseases (e.g. asthma), collagen disorder, hypercholesterolemia, sickle cell anemia, or neoplasm, * those who had a history of coronary artery disease, angina, or myocardial infarction, or a history of hypertension, coronary arteritis, and electrocardiographic changes that suggest any known history of vascular, infectious, or inflammatory disease, maternal autoimmune disease, * use of any drugs other than those used for IVF (e.g. insulin sensitizing drugs, oral contraceptives, antiandrogens, statins, aspirin, and corticosteroids) in the 3 months before the pregnancy, * multiple pregnancy, * present cigarette and alcohol use, * abnormal renal, hepatic, and thyroid function test results; * refusing to participate in the study, * abnormal fetal findings (fetal anomaly, increased nape transparency, first-second trimester screening test disorder), * cases who did not meet the criteria for pregnancy after the first tube treatment (ICSI-ET) because of normoresponder, unexplained infertility, or male factor

Design outcomes

Primary

MeasureTime frameDescription
measurement of fetal thymus volume18-24 week pregnant womenThe thymus is located at the superior part of the fetal rib cage. When the transverse section, which includes three vessel images (Superior Vena Cava, Aorta, Pulmonary Artery) is taken, fetal sternum is observed between the three-vessel view and fetal lungs. It is found as a hypoechoic two-lobe structure in the anterior mediastinum compared to other tissues. The fetal thymus dimensions were evaluated by one single person by using the VOLUSON E-10 ultrasonography, which can make VOCAL measurements with 2D and 3D VOCAL Program in 3-vessel trachea sections.

Secondary

MeasureTime frameDescription
frequency of pregnancy complicationsduring pregnancy and at delivery weekThe cases were followed up during pregnancy and at delivery week, and frequency of preeclampsia, non-reliable fetal status, Intrauterine growth restriction and neonatal intensive care requirement wererecorded.

Countries

Turkey (Türkiye)

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026