6 weeks pregnant no yolk sac or fetal pole July 8, 2019 16 32 64 128 6 weeks pregnant yolk sac but no fetal pole 6 weeks pregnant no fetal pole only yolk sac No fetal pole at 6 weeks 6 weeks pregnant sonography 6 week fetus in womb 6 weeks 5 days pregnant ultrasound 6 weeks pregnant baby size