Clinical Study
Singleton Pregnancy Outcomes after In Vitro Fertilization with Fresh or Frozen-Thawed Embryo Transfer and Incidence of Placenta Praevia
Table 3
Comparison of placental and amniotic abnormalities between pregnancies after frozen-thawed and fresh ET.
| | | Frozen-thawed ET
Number of cases
(%) | Fresh ET
Number of cases
(%) | value |
| | Preeclampsia | 2 (0.9) | 28 (3.1) | 0.098 | | 1st trimester bleeding | 14 (6.6) | 74 (8.1) | 0.570 | | 2nd trimester bleeding | 2 (0.9) | 27 (2.9) | 0.144 | | 3rd trimester bleeding | 0 (0.0) | 18 (2.0) | 0.034* | | Polihydramnion | 2 (0.9) | 7 (0.8) | 0.679 | | Oligohydramnion | 3 (1.4) | 18 (2.0) | 0.781 | | Placenta accreta | 7 (3.3) | 29 (3.2) | 0.831 | | Placenta praevia | 0 (0.0) | 32 (3.5) | 0.002* | | Retained placenta | 10 (4.7) | 34 (3.7) | 0.553 | | Manual removal of placenta | 11 (5.2) | 51 (5.6) | 1.000 |
|
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Statistically significant , as revealed by Chi-square.
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