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- Forecasts the date of birth from time of conception.
- Used by obstetricians and practitioners.
- Useful for assessment of drug administration.
- Can also calculate the date of conception.
- Actual Size: 108mm diameter (base disc) 76mm diameter (top disc).
- Available in larger size - POA.
- Price includes full colour printing on top disc.
- Extra printing per side - POA.
