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Table 4 The association between trigger type and pregnancy outcomes in fresh autologous embryo transfer cycles.

From: Low dose hCG supplementation in a Gn-RH-agonist trigger protocol is associated with worse pregnancy outcomes: a retrospective cohort study

 

Trigger Type

 

hCG trigger (ref)

(N = 525)

n (%)

Dual trigger

(N = 438)

n (%)

Adjusted RRa

(95% CI)

Pregnancy

328 (62.5%)

264 (60.3%)

0.95 (0.86, 1.06)

Clinical pregnancy

277 (52.8%)

190 (43.4%)

0.80 (0.70, 0.91)

Ongoing pregnancy

246 (46.9%)

151 (34.5%)

0.72 (0.61, 0.85)

Live birth

240 (45.8%)

146 (33.4%)

0.71 (0.60, 0.84)

  1. aModel adjusted for maternal age at retrieval, ovarian diagnosis, AMH, and number of embryos transferred.