BMC pregnancy and childbirth · 2023
The effect of large follicle puncture and aspiration on the outcomes of IVF-ET in patients with asynchronized follicles under the long GnRH-a protocol: a retrospective cohort study.
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Wang Yixuan, Pang Conghui, Wu Haicui, Wei Chaofeng, Yu Yi, Xin Xin, Lian Fang
Аннотация
OBJECTIVE: This retrospective study aimed to explore whether puncturing and aspirating asynchronized large follicles during long GnRH-a protocol COH impacted IVF-ET outcomes.
METHODS: A total of 180 patients with asynchronized follicles during long GnRH-a protocol COH were retrospectively analyzed. They were divided into a puncture group, Group 1 (n = 81), and a non-puncture group, Group 2 (n = 99), according to whether puncture and aspiration were performed on the prematurely developing large follicles. The data of the selected patients were statistically analyzed to assess the effect of large follicle puncture and aspiration during ovulation induction on the final pregnancy results. In addition, we tentatively divided these 180 patients into either Group A (DF ≤ 14 mm) or Group B (DF > 14 mm) according to whether the diameter of the dominant large follicles (DF) exceeded 14 mm at the time of appearance. These two groups were then further divided into four subgroups: Subgroup A1 (DF ≤ 14 mm, patients underwent large follicle puncture), Subgroup A2 (DF ≤ 14 mm, patients did not undergo large follicle puncture), Subgroup B1 (DF > 14 mm, patients underwent large follicle puncture), and Subgroup B2 (DF > 14 mm, patients did not undergo large follicle puncture) based on whether large follicle puncture and aspiration were performed or not, aiming to compare the effects of large follicle puncture and aspiration on the clinical outcomes of patients with dominant large follicles at different time points.
RESULTS: Group 1 exhibited significantly higher oocyte maturation rate (92.3% vs. 88.9%, P = 0.009) and high-quality embryo rate (75.2% vs. 65.7%, P = 0.007) compared with Group 2. No differences were observed in the number of oocytes retrieved, 2PN fertilization rate, clinical pregnancy rate, abortion rate, and live birth rate between the two groups (P > 0.05). When the dominant large follicles' diameter was ≤ 14 mm, the final oocyte maturation rate (92.7% vs. 88.1%, P = 0.023), high-quality embryo rate (72.9% vs. 61.8%, P = 0.047) and live birth rate (54.5% vs. 31.9%, P = 0.043) of Subgroup A1 were significantly higher than those of Subgroup A2. In contrast, when the dominant large follicles' diameter was > 14 mm, no statistical difference was observed in all data.
CONCLUSIONS: Large follicle puncture and aspiration in long GnRH-a protocol COH could improve the oocyte maturation rate and high-quality embryo rate in patients with asynchronized follicles. However, clinical pregnancy and live birth rates were not significantly improved. In addition, when the dominant follicles' diameter did not exceed 14 mm, large follicles puncture and aspiration significantly improved the patient's oocyte maturation rate, high-quality embryo rate and live birth rate.
METHODS: A total of 180 patients with asynchronized follicles during long GnRH-a protocol COH were retrospectively analyzed. They were divided into a puncture group, Group 1 (n = 81), and a non-puncture group, Group 2 (n = 99), according to whether puncture and aspiration were performed on the prematurely developing large follicles. The data of the selected patients were statistically analyzed to assess the effect of large follicle puncture and aspiration during ovulation induction on the final pregnancy results. In addition, we tentatively divided these 180 patients into either Group A (DF ≤ 14 mm) or Group B (DF > 14 mm) according to whether the diameter of the dominant large follicles (DF) exceeded 14 mm at the time of appearance. These two groups were then further divided into four subgroups: Subgroup A1 (DF ≤ 14 mm, patients underwent large follicle puncture), Subgroup A2 (DF ≤ 14 mm, patients did not undergo large follicle puncture), Subgroup B1 (DF > 14 mm, patients underwent large follicle puncture), and Subgroup B2 (DF > 14 mm, patients did not undergo large follicle puncture) based on whether large follicle puncture and aspiration were performed or not, aiming to compare the effects of large follicle puncture and aspiration on the clinical outcomes of patients with dominant large follicles at different time points.
RESULTS: Group 1 exhibited significantly higher oocyte maturation rate (92.3% vs. 88.9%, P = 0.009) and high-quality embryo rate (75.2% vs. 65.7%, P = 0.007) compared with Group 2. No differences were observed in the number of oocytes retrieved, 2PN fertilization rate, clinical pregnancy rate, abortion rate, and live birth rate between the two groups (P > 0.05). When the dominant large follicles' diameter was ≤ 14 mm, the final oocyte maturation rate (92.7% vs. 88.1%, P = 0.023), high-quality embryo rate (72.9% vs. 61.8%, P = 0.047) and live birth rate (54.5% vs. 31.9%, P = 0.043) of Subgroup A1 were significantly higher than those of Subgroup A2. In contrast, when the dominant large follicles' diameter was > 14 mm, no statistical difference was observed in all data.
CONCLUSIONS: Large follicle puncture and aspiration in long GnRH-a protocol COH could improve the oocyte maturation rate and high-quality embryo rate in patients with asynchronized follicles. However, clinical pregnancy and live birth rates were not significantly improved. In addition, when the dominant follicles' diameter did not exceed 14 mm, large follicles puncture and aspiration significantly improved the patient's oocyte maturation rate, high-quality embryo rate and live birth rate.