TY JOUR TI ECTOPIC PREGNANCY AND ACUTE APPENDICITIS DURING INTRAUTERIN PREGNANCY AFTER IN VITRO FERTILIZATION KW tubal-peritoneal infertility KW in vitro fertilization KW embryo transfer KW ectopic pregnancy KW pregnancy KW acute appendicitis JO Acta biomedica scientifica AU Protopopova, N.V. AU Druzhinina, E.. AU Labygina, A.V. AU Dudakova, V.. AU Boldonova, N.. PY 2018 IS 2 PB Scientific Center for Family Problems and Human Reproduction