Table 1.

Frequency of ovarian cancer in pregnancy by tumor histology in the literature.

	Author and Year
Histopathology	Copeland, 1996 [25]	Zanotti, 2000 [26]	Zhao, 2006 [24]	Behtash, 2008 [27]	Morikawa, 2014 [25]
EOC	37.5%	33–34%	50%	39.1%	81%
Invasive EOC	-	-	22.7%	21.7%	20%
LMP	-	-	27.3%	17.4%	61%
Germ cell tumor	45%	30–33%	40.9%	47.8%	17%
SCT	10%	17–20%	9.1%	13%	2%
Others	7.5%	12–13%	0	0	0

EOC, epithelial ovarian cancer; LMP, low malignant potential tumor; SCT, sex cord stromal tumor.