Pregnancy calendar VM (first day of last menstruation) IVF (in vitro fertilization) UHD (date of ultrasound + gestational age) Fresh eggs Frozen eggs Date of puncture: Embryo transfer: Date: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 January February March April May June July August September October November December 2024 2023 Length of the cycle: 21 days 22 days 23 days 24 days 25 days 26 days 27 days 28 days 29 days 30 days 31 days 32 days 33 days 34 days 35 days 36 days Age of blastocyst: 2 days 3 days 4 days 5 days 6 days Gestational age: Weeks 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 Days 0 1 2 3 4 5 6