Basal serum testosterone levels correlate with ovarian response but do not predict pregnancy outcome in non-PCOS women undergoing IVF

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Basal serum testosterone levels positively correlated with ovarian response in women undergoing IVF but did not predict pregnancy outcomes.

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This retrospective study evaluated basal serum testosterone levels in 1413 Chinese women without PCOS or endometriosis who underwent a first IVF cycle using a long luteal down-regulation protocol, examining associations with ovarian response and pregnancy outcomes. Women were stratified by basal testosterone (20 ng/dl) and researchers compared markers of ovarian reserve/response (including BMI, basal FSH/LH, AFC, follicle counts >14 mm, and gonadotropin dose) and then assessed IVF pregnancy outcome prediction. Basal testosterone correlated positively with indicators of ovarian reserve and response, including number of large follicles on HCG day and total gonadotropin dose, but it did not predict IVF pregnancy outcome. The study’s key caveat is that this is a retrospective analysis limited to non-PCOS, non-endometriosis patients on a specific IVF protocol and does not establish testosterone as a predictor of successful pregnancy. This paper does not explicitly discuss endometriosis in its results, but it was included in the corpus via a keyword match stating that subjects did not have endometriosis.

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Abstract

PURPOSE: To evaluate basal testosterone (T) levels in women undergoing in vitro fertilization (IVF) cycles and examine the association between basal T levels and ovarian response or IVF pregnancy outcome. METHODS: We retrospectively analyzed 1413 infertile Chinese women undergoing their first IVF treatment at our institution's reproductive center from March 2011 to May 2013. The basal testosterone (T) levels in women undergoing in vitro fertilization (IVF) and the relationship between basal T levels and ovarian response or IVF pregnancy outcome were determined. These patients did not have polycystic ovary syndrome (PCOS) or endometriosis, and were treated with a long luteal down-regulation protocol. Subjects were divided into 2 groups according to basal testosterone (T) levels: Group 1, basal T values 20 ng/dl (n = 940). We evaluated the association of basal T levels with ovarian response and IVF outcome in the two groups. RESULTS: In this study, BMI, basal follicle-stimulating hormone (FSH) levels, basal luteinizing hormone (LH) levels, antral follicle count (AFC), days of stimulation, total gonadotrophin dose, basal FSH/LH ratio, and the number of follicles >14 mm were significantly different (P 14 mm on human chorionic gonadotrophin (HCG) day, and total gonadotropin dose. However, basal T levels play no role in predicting IVF pregnancy outcome. CONCLUSION: Basal T level can be used as a good predictor for ovarian response and the number of large follicles on HCG day. Additionally, we may use basal T level as a marker to predict FSH dosage. In general women, lower level of T might relate with potential poor ovarian response. However, based on our data, basal T levels do not predict pregnancy outcome.
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Abstract

Purpose To evaluate basal testosterone (T) levels in women undergoing in vitro fertilization (IVF) cycles and examine the association between basal T levels and ovarian response or IVF pregnancy outcome.

Methods

We retrospectively analyzed 1413 infertile Chinese women undergoing their first IVF treatment at our institution’s reproductive center from March 2011 to May 2013. The basal testosterone (T) levels in women undergoing in vitro fertilization (IVF) and the relationship between basal T levels and ovarian response or IVF pregnancy outcome were determined. These patients did not have polycystic ovary syndrome (PCOS) or endometriosis, and were treated with a long luteal down-regulation protocol. Subjects were divided into 2 groups according to basal testosterone (T) levels: Group 1, basal T values 20 ng/dl (n = 940). We evaluated the association of basal T levels with ovarian response and IVF outcome in the two groups.

Results

In this study, BMI, basal follicle-stimulating hormone (FSH) levels, basal luteinizing hormone (LH) levels, antral follicle count (AFC), days of stimulation, total gonadotrophin dose, basal FSH/LH ratio, and the number of follicles >14 mm were significantly different (P 14 mm on human chorionic gonadotrophin (HCG) day, and total gonadotropin dose. However, basal T levels play no role in predicting IVF pregnancy outcome.

Conclusion

Basal T level can be used as a good predictor for ovarian response and the number of large follicles on HCG day. Additionally, we may use basal T level as a marker to predict FSH dosage. In general women, lower level of T might relate with potential poor ovarian response. However, based on our data, basal T levels do not predict pregnancy outcome. Similar content being viewed by others

References

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Author information Authors and Affiliations Corresponding author Additional information Capsule Although ovarian response can be predicted by many markers including age, antral follicle count (AFC), basal serum follicle-stimulating hormone (FSH), serum inhibin B, and serum anti-Müllerian hormone (AMH), many patients who have normal parameters have poor gonadotropin responsiveness and low-quality oocytes and embryos 1-3. Therefore, it becomes a challenge to predict ovarian response before undergoing expensive IVF treatments. In this study, basal testosterone (T) levels was evaluated in women undergoing in vitro fertilization (IVF) cycles and examine the association between basal T levels and ovarian response or IVF pregnancy outcome. Rights and permissions About this article Cite this article Sun, B., Wang, F., Sun, J. et al. Basal serum testosterone levels correlate with ovarian response but do not predict pregnancy outcome in non-PCOS women undergoing IVF. J Assist Reprod Genet 31, 829–835 (2014). https://doi.org/10.1007/s10815-014-0246-8 Received: Accepted: Published: Issue date: DOI: https://doi.org/10.1007/s10815-014-0246-8

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endometriosis

MeSH descriptors

Fertilization in Vitro Ovarian Follicle Pregnancy Outcome Testosterone Adult Chorionic Gonadotropin Chorionic Gonadotropin Embryo Transfer Female Fertilization in Vitro Humans Luteinizing Hormone Luteinizing Hormone Ovarian Follicle Ovarian Follicle Ovulation Induction Ovulation Induction Polycystic Ovary Syndrome Polycystic Ovary Syndrome Polycystic Ovary Syndrome

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