Heartbeat
Heartbeat in Pre-Born Baby at Five Weeks and Five Days Gestational Age
Transvaginal ultrasonography of an embryo at 5 weeks and 5 days of gestational age with discernible cardiac activity
or
Own work
–Heartbeat at About Six Weeks Gestation
Heartbeat
Heartbeat in Pre-Born Baby at Five Weeks and Five Days Gestational Age
Transvaginal ultrasonography of an embryo at 5 weeks and 5 days of gestational age with discernible cardiac activity
or
Own work
–