Fig. 1From: Comparison of the prevalence and severity of nausea and vomiting in the first trimester between singleton pregnancies conceived from stimulated in vitro fertilization and frozen embryo transfer cyclesSeverity of nausea and vomiting in stimulated IVF and FET cycles. (a) Feeling nauseated or sick from week 5 to week 12 of pregnancy. (b) Duration of nauseated feeling in a day from week 5 to week 12 of pregnancy. (c) Number of times of vomiting on average in a day from week 5 to week 12 of pregnancy. (d) Number of times of retching or dry heaves on average in a day from week 5 to week 12 of pregnancy. (b,c,d) Left bar of each week represents stimulated IVF cycle and right bar represent FET cycleBack to article page