Azoospermia accounted for 10-15% of infertility cases. It is classified into 2 groups: obstructive and non-obstructive azoospermia. Infertility couples due to azoospermia can be treated by some assisted reproductive techniques, such as epididymal sperm aspiration (MESA and PESA techniques), testicular sperm aspiration (TESA) or testicular sperm extraction (TESE). The success can be expected for cases with obstructive azoospermia.
Infertility ; Oligospermia ; Infertility, Male

The application of embryo cryopreservation is now a routine feature of clinical ART programs. The cryopreservation of embryos following in vitro fertilization (IVF) provides numerous advantages to couples. The first advantage is that of further possibilities for conception in addition to those achieved from the fresh cycle. Secondly, the cryopreservation of embryos provides a method of storage of excess embryos, thus helping to alleviate pressures to transfer high numbers of embryos. Thirdly, embryo cryopreservation plays an important role to prevent severe ovarian hyperstimulation, thus allowing a delay of embryo transfer to a later cycle and diminished the severity of hyperstimulation. Excessive embryos with good quality can be stored at cleavage (4-8 cell) or at blastocyst stage. The success rate for using cryopreserved-thawed embryos was reported to be 4-20%. In this paper, we reported the first clinical pregnancy in Vietnam from a subsequent thawing cycle
Sperm Injections, Intracytoplasmic

This retrospective cohort study aims to assess the efficacy of frozen embryos transfer programme at Tu Du Hospital and to determine the relationship between quality of embryos after thawing and the rate of clinical pregnancy. 164 patients were divided into groups, the one with at least 1 embryos each patient and 100% of fully intact embryos the other no fully intact embryo. Results gave a rate of 28% of clinical pregnancy and 10,8% of multiple pregnancy. There was a significantly statistical relationship between the rate of clinical pregnancy after the transfer of frozen embryo and the quality of the embyro after thawing
Embryonic Structures ; Pregnancy