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Table 3 Comparison between the clinical parameters, and mean levels of serum prolactin in the pregnant and non pregnant groups

From: Changes in serum prolactin level during intracytoplasmic sperm injection, and effect on clinical pregnancy rate: a prospective observational study

  Pregnant Non pregnant P-value
Age (years) 29.2 ± 6 (26.9–31.6) 29.8 ± 5.2 (28.7–31.1) 0.644
AFC (follicles) 15.1 ± 7.2 (12.3–17.9) 12.1 ± 5.7 (10.7–13.5) 0.101
FSH (IU/mL) 7 ± 3.4 (5.7–8.3) 6.4 ± 2.6 (5.8–7.1) 0.403
LH (IU/mL) 5.5 ± 2.6 (4.5–6.6) 5.1 ± 2.9 (4.4–5.8) 0.487
TSH (mIU/L) 2.10 ± 0.84 (1.78–2.43) 1.96 ± 0.84 (1.75–2.18) 0.467
BMI (kg/m2) 29.1 ± 1.4(28.5–29.6) 29.1 ± 1.5 (28.7–29.5) 0.853
Basal PRL level (ng/ml) 12.8 ± 6.5 (10.3–15.3) 14.1 ± 6.8 (12.4–15.8) 0.414
PRL before OPU (ng/ml) 15.7 ± 11.2 (11.4–20.1) 17.3 ± 11.8 (14.3–20.3) 0.551
PRL after OPU (ng/ml) 35.2 ± 25.4 (25.4–45.1) 41.4 ± 25.4 (35–47.8) 0.286
PRL before ET (ng/ml) 9.7 ± 7.6 (6.7–12.6) 12.3 ± 10.9 (9.5–15) 0.254
Number of oocytes retrieved in OPU 22.8 ± 9.6 (19.1–26.6) 14.8 ± 10.3 (12.2–17.4) 0.001*
Number of metaphase II oocytes 7.3 ± 2.6 (6.3–8.3) 5.1 ± 2.8 (4.4–5.8) 0.001*
Fertilization rate (%) 82 ± 13.1 (76.87–87.03) 81.4 ± 17.2 (77–85.7) 0.954
Number of embryos transferred 3.7 ± 0.7 (3.4–4) 3 ± 1.1 (2.7–3.2) 0.001*
Number of high quality embryos 3.5 ± 6.9 (3.1–3.8) 2.6 ± 1.3 (2.3–2.9) 0.002*
Number of low quality embryos 1.2 ± 0.4 (0.8–1.6) 1.1 ± 0.2 (0.9–1.2) 0.391
  1. Values are given as mean ± SD (95% CI)
  2. *Statistically significant result p < 0.05