Table 2 Characteristics of gametes and embryos of the patients included in the study

Normal sperm ^a

8 (57.1%)

14 (77.7%)

0.3193

Average number of mature oocytes per patient ^b

6 (3–7)

4 (4–7)

0.7612

Average number of zygotes per patient ^b

6 (2–7)

4 (3–6)

0.6622

Average fertilization rate ^c

0.72 ± 0.15

0.75 ± 0.23

0.7648

Average number of blastocyst per patient^b

4 (1–5)

3 (2–4)

0.9848

Average level of blastulation^c

0.68 ± 0.26

0.77 ± 0.26

0.3143

Average number of excellent blastocysts per patient ^b

0 (0–2)

1.5 (1–3)

0.0303