In the following situations, a woman undergoing fertility treatments need not fast on minor fast days, should eat and drink as necessary on Tisha B’Av, and should drink nourishing liquids in shiurim on Yom Kippur:
- On the day of embryo transfer
- While undergoing ovarian stimulation
- When at risk for ovarian hyperstimulation syndrome
- In the early stages of pregnancy following fertility treatments, until a heartbeat has been detected
Other situations depend on specific medical guidance and halachic consultation.
This ruling is based on consultations with Dr. Yardena Hyman, Dr. Deena Zimmerman, and Rav Yehuda H. Henkin.
Yoetzet Halacha Fertility Counselors are available for free consultation on these and other matters related to fertility, details here.
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