Determinants of the hCG Concentration in the Early Luteal Phase After Final Maturation of Follicles With Bolus Trigger of Recombinant hCG
Introduction: It has recently been shown that late follicular phase progesterone levels correlate well with those in the early luteal phase, and that progesterone levels before and 12 h after human chorionic gonadotropin (hCG) administration predict levels during the early luteal phase. This study i...
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Frontiers Media S.A.
2020-03-01
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| Series: | Frontiers in Endocrinology |
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| Online Access: | https://www.frontiersin.org/article/10.3389/fendo.2020.00137/full |
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| author | Lan N. Vuong Lan N. Vuong Lan N. Vuong Toan D. Pham Toan D. Pham Vu N. A. Ho Vu N. A. Ho Tuong M. Ho Tuong M. Ho Peter Humaidan Peter Humaidan Peter Humaidan Claus Yding Andersen |
| author_facet | Lan N. Vuong Lan N. Vuong Lan N. Vuong Toan D. Pham Toan D. Pham Vu N. A. Ho Vu N. A. Ho Tuong M. Ho Tuong M. Ho Peter Humaidan Peter Humaidan Peter Humaidan Claus Yding Andersen |
| author_sort | Lan N. Vuong |
| collection | DOAJ |
| description | Introduction: It has recently been shown that late follicular phase progesterone levels correlate well with those in the early luteal phase, and that progesterone levels before and 12 h after human chorionic gonadotropin (hCG) administration predict levels during the early luteal phase. This study investigated determinants of serum hCG levels after a bolus dose of hCG for triggering ovulation in women undergoing in vitro fertilization (IVF).Materials and Methods: This retrospective analysis was performed on data from a prospective study of women aged 18–42 years with normal ovarian reserve receiving gonadotropin-releasing hormone (GnRH) antagonist co-treatment during ovarian stimulation with follicle-stimulating hormone (FSH) who were followed until 6 days after oocyte pick-up (OPU) in a single IVF cycle. The main outcome measures were early luteal phase serum hCG levels, and predictors of those levels.Results: There was wide inter-individual variability in early phase hCG concentrations over the period from 12 h after hCG injection up to 6 days after OPU. Patients with serum hCG values in the bottom 10% had a significantly higher body mass index (BMI; p = 0.038) and a significantly longer duration of stimulation (p = 0.014) than those with higher serum hCG values. Serum progesterone levels up to the first 36 h after hCG injection were significantly higher in the low vs. higher serum hCG group, but were similar at all other time points. There was a significant correlation between serum hCG level after hCG administration and BMI (lower BMI = higher serum hCG). In a cluster analysis, patients with the lowest serum hCG and progesterone levels at 12 h after hCG injection had significantly higher BMI, and significantly lower anti-Müllerian hormone level, duration of stimulation, and number of follicles of ≥11 and ≥14 mm compared with the other three clusters.Conclusion: Predictors of low serum hCG after a trigger bolus were difficult to determine, but BMI seems to be important. More detailed information on the luteal phase hormonal profile and data on predictors of hormone levels during this critical period can facilitate the development of strategies to allow individualization of the luteal phase support regimen, potentially improving IVF outcomes. |
| first_indexed | 2024-12-13T14:38:04Z |
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| issn | 1664-2392 |
| language | English |
| last_indexed | 2024-12-13T14:38:04Z |
| publishDate | 2020-03-01 |
| publisher | Frontiers Media S.A. |
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| spelling | doaj.art-cb650e630e75452b9b661581a6e4febd2022-12-21T23:41:40ZengFrontiers Media S.A.Frontiers in Endocrinology1664-23922020-03-011110.3389/fendo.2020.00137514826Determinants of the hCG Concentration in the Early Luteal Phase After Final Maturation of Follicles With Bolus Trigger of Recombinant hCGLan N. Vuong0Lan N. Vuong1Lan N. Vuong2Toan D. Pham3Toan D. Pham4Vu N. A. Ho5Vu N. A. Ho6Tuong M. Ho7Tuong M. Ho8Peter Humaidan9Peter Humaidan10Peter Humaidan11Claus Yding Andersen12Department of Obstetrics and Gynecology, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, VietnamIVFMD, My Duc Hospital, Ho Chi Minh City, VietnamHOPE Research Center, My Duc Hospital, Ho Chi Minh City, VietnamIVFMD, My Duc Hospital, Ho Chi Minh City, VietnamHOPE Research Center, My Duc Hospital, Ho Chi Minh City, VietnamIVFMD, My Duc Hospital, Ho Chi Minh City, VietnamHOPE Research Center, My Duc Hospital, Ho Chi Minh City, VietnamIVFMD, My Duc Hospital, Ho Chi Minh City, VietnamHOPE Research Center, My Duc Hospital, Ho Chi Minh City, VietnamThe Fertility Clinic, Skive Regional Hospital, Skive, DenmarkFaculty of Health, Aarhus University, Aarhus, DenmarkFaculty of Health, University of Southern Denmark, Odense, DenmarkLaboratory of Reproductive Biology, Faculty of Health Science, Copenhagen University Hospital, Copenhagen University, Copenhagen, DenmarkIntroduction: It has recently been shown that late follicular phase progesterone levels correlate well with those in the early luteal phase, and that progesterone levels before and 12 h after human chorionic gonadotropin (hCG) administration predict levels during the early luteal phase. This study investigated determinants of serum hCG levels after a bolus dose of hCG for triggering ovulation in women undergoing in vitro fertilization (IVF).Materials and Methods: This retrospective analysis was performed on data from a prospective study of women aged 18–42 years with normal ovarian reserve receiving gonadotropin-releasing hormone (GnRH) antagonist co-treatment during ovarian stimulation with follicle-stimulating hormone (FSH) who were followed until 6 days after oocyte pick-up (OPU) in a single IVF cycle. The main outcome measures were early luteal phase serum hCG levels, and predictors of those levels.Results: There was wide inter-individual variability in early phase hCG concentrations over the period from 12 h after hCG injection up to 6 days after OPU. Patients with serum hCG values in the bottom 10% had a significantly higher body mass index (BMI; p = 0.038) and a significantly longer duration of stimulation (p = 0.014) than those with higher serum hCG values. Serum progesterone levels up to the first 36 h after hCG injection were significantly higher in the low vs. higher serum hCG group, but were similar at all other time points. There was a significant correlation between serum hCG level after hCG administration and BMI (lower BMI = higher serum hCG). In a cluster analysis, patients with the lowest serum hCG and progesterone levels at 12 h after hCG injection had significantly higher BMI, and significantly lower anti-Müllerian hormone level, duration of stimulation, and number of follicles of ≥11 and ≥14 mm compared with the other three clusters.Conclusion: Predictors of low serum hCG after a trigger bolus were difficult to determine, but BMI seems to be important. More detailed information on the luteal phase hormonal profile and data on predictors of hormone levels during this critical period can facilitate the development of strategies to allow individualization of the luteal phase support regimen, potentially improving IVF outcomes.https://www.frontiersin.org/article/10.3389/fendo.2020.00137/fullhuman chorionic gonadotropinluteal phasehormonesprogesteronein vitro fertilizationpharmacokinetics |
| spellingShingle | Lan N. Vuong Lan N. Vuong Lan N. Vuong Toan D. Pham Toan D. Pham Vu N. A. Ho Vu N. A. Ho Tuong M. Ho Tuong M. Ho Peter Humaidan Peter Humaidan Peter Humaidan Claus Yding Andersen Determinants of the hCG Concentration in the Early Luteal Phase After Final Maturation of Follicles With Bolus Trigger of Recombinant hCG Frontiers in Endocrinology human chorionic gonadotropin luteal phase hormones progesterone in vitro fertilization pharmacokinetics |
| title | Determinants of the hCG Concentration in the Early Luteal Phase After Final Maturation of Follicles With Bolus Trigger of Recombinant hCG |
| title_full | Determinants of the hCG Concentration in the Early Luteal Phase After Final Maturation of Follicles With Bolus Trigger of Recombinant hCG |
| title_fullStr | Determinants of the hCG Concentration in the Early Luteal Phase After Final Maturation of Follicles With Bolus Trigger of Recombinant hCG |
| title_full_unstemmed | Determinants of the hCG Concentration in the Early Luteal Phase After Final Maturation of Follicles With Bolus Trigger of Recombinant hCG |
| title_short | Determinants of the hCG Concentration in the Early Luteal Phase After Final Maturation of Follicles With Bolus Trigger of Recombinant hCG |
| title_sort | determinants of the hcg concentration in the early luteal phase after final maturation of follicles with bolus trigger of recombinant hcg |
| topic | human chorionic gonadotropin luteal phase hormones progesterone in vitro fertilization pharmacokinetics |
| url | https://www.frontiersin.org/article/10.3389/fendo.2020.00137/full |
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