The echogenic endometrium and alterations during menstrual cycle.
D000328:Adult; D004717:Endometrium / Q000033:anatomy & histology / Q000502:physiology*; D005260:Female; D005498:Follicular Phase; D006801:Humans; D008183:Luteal Phase; D008598:Menstruation; D010060:Ovulation; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis*; D014463:Ultrasonography