Infertility treatments and risk of breast benign diseases: a case‒control study

BMC Women's Health

Table 3 Association of fertility treatments with the risk of BBD in infertile women

	Univariate OR (95% CI)	P value	Multivariate OR (95% CI) ^a	P value
History of previous infertility treatments	1.21 (0.59–2.46)	0.592	4.06 (0.74–22.03)	0.104
Total number of infertility treatments cycles	1.10 (0.98–1.24)	0.077	1.17 (0.83–1.63)	0.355
Number of ART cycles ^#	1.14 (0.90–1.44)	0.276	1.37 (0.76–2.46)	0.292
Number of OI cycles ^‡	1.13 (0.98–1.32)	0.099	1.09 (0.71–1.68)	0.684

a: ORs and 95% CI adjusted for age, G, P, age at first pregnancy, and age at first parturition; # Including COS (either inseminated by ICSI or IVF) and FET; ‡ including OI cycles, either followed by natural insemination or combined with IUI; ART: Assisted reproductive techniques; OI: Ovulation induction; ICSI: Intracytoplasmic injection; IVF: In vitro fertilization; FET: Frozen-thawed embryo transfer; IUI: intrauterine insemination; OR: odds ratio; CI: Confidence interval

ISSN: 1472-6874