Comparing pregnancy outcomes between symptomatic and asymptomatic COVID-19 positive unvaccinated women: Multicenter study in Saudi Arabia oleh Taghreed Shams, Hashem Alhashemi, Azza Madkhali, Abdullah Noorelahi, Sabah Allarakia, Yaser Faden, Amar Alhasani, Khalid Alzahrani, Alyaa Alrefai, Nadia Al Ghilan, Haitham Al-sum, Saad Kurdi, Yousif Al-ansari, Maha Alotaibi