Ezyaid Pregnancy Calculator Pack of 6, Due Date OB-GYN Wheel | EDD /EDC wheel, gestational age guide, CRL, BPD, HC, AC and FL reference, for OB-GYN clinics and prenatal care, plastic

Features

• Excellent Accuracy: Simple and clean charting indicates 1st date of last period, conception, missed period, 1st visit dating scan, earliest possible quickening, detailed scan, estimated date of delivery, grow scan etc
• Great Value: Includes fetal biometry guides such as CRL (Crown-Rump Length), BPD (Biparietal Diameter), HC (Head Circumference), AC (Abdominal Circumference) and FL (Femur length) on the back of the wheel
• Easy to Use: Made of handy 12cm diameter big wheel with rotatable small wheels, just simply rotate the wheel by dragging the pointer to select LMP
• Handy Design: Made of durable and lightweight plastic, small handy wheels with printed days, weeks and months for calculating lead times, to efficiently predict the approximate date of delivery
• Ideal Pregnancy Planner: Tested and approved pregnant wheel designed for Health Workers (CHWs), midwives, nurses, obgyn doctors, also as best gifts for health care facilitators, medical offices, adoption agencies and fertility clinics