Progesterone: Progesterone is the hormone which maintains pregnancy. The higher hormone level causes relaxation of the lower muscles of the esophagus, increasing the chance of "morning sickness".
Answered 1/28/2020
6.2k views
8 doctors weighed in across 3 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question