Abbas D, Chong E, Raymond E. 2015.
Outpatient medical abortion is safe and
effective through 70 days gestation.
Contraception, 92: 197-199.
Abbasalizadeh F, Sahhaf F, SadeghiShabestari P, Mirza-aghazadeh-attari M,
Naghavi-behzad M. 2018. Comparison
between effect of letrozole plus
misoprostol and misoprostol alone in
EPO and induction of missed abortion
461
AJP, Vol. 13, No. 5, Sep-Oct 2023
terminating non-viable first trimester
pregnancies: a single blind randomized
trial. J Family Reprod Health, 12: 27-33.
Allameh Z, Goharian M, Eslamian M. 2020.
Effect of misoprostol with and without
letrozole on the induction of abortion for
women with first‐trimester missed
abortion. Int J Gynaecol Obstet, 151: 214-
218.
Babazadeh R, Keramat A. 2011. Premenstrual
syndrome and complementary medicine
in Iran: a systematic review. Feyz, 15:
174-187.
Behroozilak T, Derakhshan-aydenloo S,
Broomand F. 2018. Evaluation of effect
of letrozole prior to misoprostol in
comparison with misoprostol alone in
success rate of induced abortion. J
Gynecol Obstet Hum, 47: 113-117.
Bikmoradi A, Oshvandi K, Mazdeh M,
Roshanaei g. 2014. Effect of progressive
muscle relaxation on severity of pain in
patients with multiple sclerosis: a
randomized controlled trial. Hayat, 20:
26-37.
Chen A, Creinin M. 2007. Contemporary
management of early pregnancy failure.
Clin Obstet Gynecol, 50: 67-88.
Chen M, Creinin M. 2015. Mifepristone with
buccal misoprostol for medical abortion: a
systematic review. Obstet Gynecol, 126:
12-21.
Chu J, Devall J, Beeson L, Hardy P, Cheed V,
Sun Y, Roberts T, Ogwulu C, Williams E,
Jones L. 2020. Mifepristone and
misoprostol versus misoprostol alone for
the management of missed miscarriage: a
randomised, double-blind, placebocontrolled trial. The Lancet, 396: 770-
778.
Creinin M, Huang X, Westhoff C, Barnhart K,
Gilles J, Zhang J. 2006. Factors related to
successful misoprostol treatment for early
pregnancy failure. Obstet Gynecol, 107:
901-907.
Dermani F, Saidijam M, Najafi R, Moradkhani
S, Mohammadzaheri Z, Beiranvand N,
Mohammadi S, Shabab N, Kalvandi R,
Zeraati F. 2021. Cytotoxic effects of
hydroalcoholic extract of Cuscuta
chinensis on PC3 and MCF7 cancer cell
lines. Avicenna J Phytomedicine, 11: 258-
268.
Gemzell‐danielsson K, Gómez Ponce De León
R, Weeks A, Winikoff B. 2007.
Misoprostol to treat missed abortion in
the first trimester. Int J Gynaecol Obstet,
99: 182-185.
Girlie V. 2015. The efficacy of evening
primrose oil as a cervical ripening agent
for gynecologic procedures: A singleblinded, randomized controlled trial.
Philipp J Obstet Gynecol, 39: 25-28.
Graziosi G, Mol B, Reuwer P, Drogtro A,
Bruinse H. 2004. Misoprostol versus
curettage in women with early pregnancy
failure after initial expectant
management: a randomized trial. Hum
Reprod, 19: 1894-1899.
Jahdi F, Kalati M, Kashanian M, Naseri M,
Haghani H. 2016. Effect of oral evening
primrose capsules on ripening of the
cervix in nulliparous Iranian pregnant
wome. Acta Med Mediterr, 32: 1273-
1279.
Jamilian M, Heydari M. 2015. Comparison of
the efficacy of castor oil and vaginal
misoprostol with vaginal misopostol
alone for treatment of missed abortion.
AMUJ, 18: 30-38.
Jurkovic D, Overton C, Bender-atik R. 2013.
Diagnosis and management of first
trimester miscarriage. BMJ, 346: f3676.
Kalati M, Kashanian M, Jahdi F, Naseri M,
Haghani H, Sheikhansari N. 2018.
Evening primrose oil and labour, is it
effective? A randomised clinical trial. J
Obstet Gynaecol, 38: 488-492.
Mirzadeh N, Sheikhan Z, Simbar M,
Mehrolhasani Y, Saffar A, Yeganeh Z.
2020. Comparison effects of vaginal
misoprostol with vaginal evening
primrose on ripening cervix in nulliparous
women. Adv Nurs Midwifery, 29: 33-40.
Moradi M, Niazi A, Heydarian Miri H, Lopez
V. 2021. The effect of evening primrose
oil on labor induction and cervical
ripening: A systematic review and meta‐
analysis. Phytother Res, 35: 5374-5383.
Movahed F, Jalali S, Javadi A. 2010.
Comparison of two regimes in
administration of vaginal misoprostol
(every 6 hours vs every 12 hours) for
second trimester pregnancy termination. J
Birjand Univ Med Sci, 17: 72-78.
Muffley P, Stitely M, Gherman R. 2002. Early
intrauterine pregnancy failure: a
randomized trial of medical versus
surgical treatment. Am J Obstet Gynecol,
187: 321-326.
Mahmoodinasab et al.
AJP, Vol. 13, No. 5, Sep-Oct 2023 462
Naghshineh E, Allame Z, Farhat F. 2015. The
effectiveness of using misoprostol with
and without letrozole for successful
medical abortion: A randomized placebocontrolled clinical trial. J Res Med Sci,
20: 585-589.
Najafi M, Loripoor M, Saghafi Z, Kazemi M.
2019. The effect of vaginal evening
primrose on the bishop score of term
nulliparous women. Nurs Pract, 6: 202-
211.
Nanda K, Lopez L, Grimes D, Peloggia A,
Nanda G. 2012. Expectant care versus
surgical treatment for miscarriage.
Cochrane Database Syst Rev.
Nash C, Philp L, Shah P, Murphy K. 2018.
Letrozole pretreatment prior to medical
termination of pregnancy: a systematic
review. Contraception, 97: 504-509.
Neilson J, Gyte G, Hickey M, Vazquez J, Dou
L. 2013. Medical treatments for
incomplete miscarriage. Cochrane
Database Syst Rev, 28: CD007223.
Neilson J, Hickey M, Vazquez J. 2006.
Medical treatment for early fetal death
(less than 24 weeks). Cochrane Database
Syst Rev, 2006: CD002253.
Niinimäki M, Suhonen S, Mentula M,
Hemminki E, Heikinheimo O, Gissler M.
2011. Comparison of rates of adverse
events in adolescent and adult women
undergoing medical abortion: population
register based study. BMJ, 342: d2111.
Nonette D. 2017. The effectiveness of evening
primrose oil gel capsule as a cervical
ripening agent during labor induction as
measured by bishop score on term
singleton pregnant patients. POGS, 41: 1-
4.
Nouri B, Baghestani A, Pooransari P. 2021.
Evening primrose versus misoprostol for
cervical dilatation before gynecologic
surgeries; a double–blind randomized
clinical trial. J Obstet Gynecol Cancer
Res, 6: 87-94.
Ohannessian A, Baumstarck K, Maruani J,
Cohensolal E, Auquier P, Agostini A.
2016. Mifepristone and misoprostol for
cervical ripening in surgical abortion
between 12 and 14 weeks of gestation: a
randomized controlled trial. Eur J Obstet
Gynecol, 201: 151-155.
Raymond E, Blanchard K, Blumenthal P,
Cleland K, Foster A, Gold M, Grossman
D, Pendergast M, Westhoff C, Winikoff
B. 2017. Sixteen years of overregulation:
time to unburden mifeprex. The New
Engl J Med, 376: 790-794.
Robledo C, Zhang J, Troendle J, Barnhart K,
Creinin M, Westhoff C, Huang X,
Frederick M. 2007. Clinical indicators for
success of misoprostol treatment after
early pregnancy failure. Int J Gynaecol
Obstet, 99: 46-51.
Shahali Sh, Abbaspoor Z, Gheraghian B. 2018.
The effect of vaginal evening primrose
capsule on cervical ripening in
nulliparous women with post-term
pregnancy: A clinical trial. Iran J Obstet
Gynecol Infertil, 21: 30-38.
Shahnamnia S, Shoukrpour M, Kamali A.
2019. An investigation into the effect of
evening primrose in dilatation of cervix
and pain during and after
hysterosalpingography. J Med Life, 12:
284-289.
Tanchoco M, Aguilar A. 2015. Cervical
priming prior to operative hysteroscopy: a
randomized controlled study comparing
the efficacy of laminaria versus evening
primrose oil (EPO). J Minim Invasive
Gyneco, 22: S45.
Vahdat M, Tahermanesh K, Kashi A, Ashouri
M, Dodaran M, Kashanian M, Alizadeh
P, Abed S, Yazdi A, Hashemi N. 2015.
Evening primrose oil effect on the ease of
cervical ripening and dilatation before
operative hysteroscopy. Thrita, 4:
e29876
Warden S, Genkin I, Hum S, Dunn S. 2019.
Outcomes during early implementation of
mifepristone-buccal misoprostol abortions
up to 63 days of gestation in a Canadian
clinical setting. J Obstet Gynaecol Can,
41: 647-652.
Zhang J, Gilles J, Barnhart K, Creinin M,
Westhoff C, Frederick M. 2005. A
comparison of medical management with
misoprostol and surgical management for
early pregnancy failure. N Engl J Med,
353: 761-769