Research Article
The Feasibility of All-Blastocyst-Culture and Single Blastocyst Transfer Strategy in Elderly Women: A Retrospective Analysis
Table 7
Pregnancy outcomes of women aged 35-38 yr.
| | SBT () | DBT () | value |
| | No. of fetal heart beats | 25 | 33 | 0.009 | | Rate of clinical pregnancy (%) | 44.1 (26/59) | 53.8 (21/39) | 0.306 | | Rate of chemistry pregnancy (%) | 25.7 (9/35) | 19.2 (5/26) | 0.552 | | Rate of ectopic pregnancy (%) | 3.8 (1/26) | 0.0 (0/21) | 0.553 | | Implantation rate (%) | 44.1 (26/59) | 44.9 (35/78) | 0.770 | | Multiple pregnancy rate (%) | 0.0 (0/26) | 38.1 (8/21) | 0.001 | | Miscarriage rate (%) | 15.4 (4/26) | 9.5 (2/21) | 0.442 | | Preterm birth rate (%) | 14.3 (3/21) | 28.6 (6/21) | 0.135 | | Term delivery rate (%) | 69.2 (18/26) | 61.9 (13/21) | 0.598 | | Live birth rate (%) | 35.6 (21/59) | 48.7 (19/39) | 0.196 | | Rate of low-weight infants (%) | 9.5 (2/21) | 35.0 (7/20) | 0.092 | | Rate of fetal macrosomia (%) | 9.5 (2/21) | 0 (0/27) | 0.186 | | Neonatal birth weight (g) | | | 0.019 |
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