passages.id: split_5_test_1069_passage
passages.type: progene_text
passages.text: Ovulation - detection methods employed in the study include transvaginal ultrasonography , daily morning urinary luteinizing hormone ( LH ) determinations , determination of salivary beta-glucuronidase activity , salivary ferning test , determination of cervical mucus levels and characteristics , and measurement of rectal or oral basal body temperature .