Table 2.

Growth of fibroid diameter % and growth rate per week between the five ultrasounds.

Characteristic	PPU - FTU (n = 180)	FTU - STU (n = 180)	STU - TTU (n = 180)	TTU - PDU (n = 180)	p
Growth of diameter (%)	83 (21–128)	0 (−5–8)	6 (0–9)	−60 (−100 – −31)	<0.001a
Growth rate week (%)	2 (1–4)	0 (0–1)	1 (0–1)	−1 (−2–0)	<0.001a

PPU = pre-pregnancy ultrasound; FTU = first-trimester ultrasound; STU = second-trimester ultrasound; TTU = third-trimester ultrasound; PDU = post-delivery ultrasound Data are reported as median (IQR).

^aKruskal-Wallis one-way analysis of variance.