Research Article
Ultrasound Reference Chart Based on IVF Dates to Estimate Gestational Age at 6–9 weeks’ Gestation
Table 2
Baseline characteristics of study participants the IVF singleton cohort.
| Baseline characteristics—Singleton IVF cohort |
| Age (years)—mean (SD) | 34.3 (4.28) | Gestation at birth (weeks)—mean (SD) | 38.6 (2.15) | Birthweight (grams)—mean (SD) | 3266 (603.2) | Treatment cycle—median (range) | 2 (1–38) | Embryos transferred—median (range) | 2 (1–3) |
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SD: standard deviation.
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