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Table 1 Patient demographics for blastocyst cryopreserved SET cycles supported with IMP versus 8% Crinone vaginal gel

From: Intramuscular progesterone versus 8% Crinone vaginal gel for luteal phase support following blastocyst cryopreserved single embryo transfer: a retrospective cohort study

  IMP
(n = 1594)
Crinone
(n = 116)
Oocyte age at cryopreservation (y) 33.9 ± 4.1 34.2 ± 3.9
Age of recipient at transfer (y) 35.6 ± 4.2 35.6 ± 4.0
Gravidity
 0 671 (42.1) 52 (44.8)
  ≥ 1 923 (57.9) 64 (55.2)
Parity
 0 1001 (62.8) 74 (63.8)
  ≥ 1 593 (37.2) 42 (36.2)
Prior SAB
 Yes 1137 (71.3) 88 (75.9)
 No 457 (28.7) 28 (24.1)
 BMI of embryo recipient (kg/m2) 25.3 ± 6.0 25.4 ± 5.7
 No. obese recipients a 257 (16.1) 12 (10.3)
Primary infertility diagnosis
 Unexplained 446 (28.0) 46 (39.7)
 Male factor 385 (24.2) 25 (21.6)
 Tubal factor 85 (5.3) 5 (4.3)
 Anovulation 195 (12.2) 13 (11.2)
 Endometriosis 72 (4.5) 6 (5.2)
 Diminished ovarian reserve 168 (10.5) 4 (3.5)
 Uterine factorb 34 (2.1) 0 (0.0)
 Gestational carrier 19 (1.2) 0 (0.0)
 Other 190 (11.9) 17 (14.7)
  1. Values represent n (%) or mean ± SD. SET single embryo transfer, IMP intramuscular progesterone, SAB spontaneous abortion, BMI body mass index
  2. a Obesity defined as BMI ≥ 30 kg/m2
  3. b Uterine factors include adenomyosis, exposure to DES, fibroids, intrauterine synechiae, or a unicornuate system