Tabela II. Clinical and laboratory detalls of the studied groups during the thawing cycles.
during fresh cycles. Group I (L-ZT) Group II (Not L-ZT) P
Patient 90 45  
Age 32.4 ± 4.7 32.9 ± 4.5 0.3
Frozen embryos 6.2± 4.6 6A±3.6 0.1
Thawed embryos (total) 3.3± 1 .4 3.5 ± 1 .0 0.08
Cleaved embryos transferred 2.2 ± 1 .0 2. 1 ± 1 .0 0.6
Pregnancy rate 26.6% 20% 0.5
Abortion rate 20.8 22.2 1