watermelon. pregnancy development, size of embryo for 39-40 weeks. compare with vegetables. human fetus inside the womb 9 months

anatomy art baby biology birth body card cartoon cell child childbirth comparison cute date development embryo embryonic fetal fetus growth happy health healthy human icon illustration increase isolated life medical medicine month motherhood position pregnancy pregnant reproduction sign size stage symbol term trimester trimestr ultrasound vector vegetable watermelon week