Attiqa Khalid, Maria Gill, Sadia Nazir, Nazia Farooq, Faiqa Jabeen Naeem, Zaima Ali, Uzma Zafar, Hamid Javaid Qureshi. (2022). Serum Estradiol levels during First Trimester of Pregnancy. Pakistan Journal of Medical & Health Sciences, 16(07), 108. https://doi.org/10.53350/pjmhs22167108