1 The 3 NMOD 2 study 3 NMOD 3 physician 4 SBJ 4 called 0 ROOT 5 a 6 NMOD 6 hematologist 4 OBJ 7 and 4 COORD 8 while 17 TMP 9 she 10 SBJ 10 was 8 SUB 11 on 10 PRD 12 hold 11 PMOD 13 I 15 NMOD 14 ( 15 P 15 investigator 17 SBJ 16 ) 15 P 17 asked 7 CONJ 18 what 21 DEP 19 the 20 NMOD 20 question 21 SBJ 21 was 17 OBJ 22 . 4 P 1 When 2 DEP 2 should 0 ROOT 3 you 2 SBJ 4 do 2 VC 5 an 6 NMOD 6 ultrasound 4 OBJ 7 to 6 PRP 8 look 7 IM 9 at 8 ADV 10 the 12 NMOD 11 endometrial 12 NMOD 12 stripe 9 PMOD 13 versus 6 COORD 14 an 16 NMOD 15 endometrial 16 NMOD 16 sample 13 CONJ 17 with 16 NMOD 18 a 19 NMOD 19 Pipelle 17 PMOD 20 on 4 LOC 21 someone 20 PMOD 22 on 21 NMOD 23 hormone 24 NMOD 24 replacement 25 NMOD 25 therapy 22 PMOD 26 or 21 COORD 27 someone 26 CONJ 28 with 27 NMOD 29 postmenopausal 30 NMOD 30 bleeding 28 PMOD 31 ? 2 P