Most mild cases of OHSS will go away on their own after menstruation starts. If you have a more severe case, it can take several days for symptoms to improve. If you become pregnant during OHSS, the symptoms may get worse and can take weeks to go away.
What to expect if I have Ovarian hyperstimulation syndrome  (Outlook/Prognosis)?
Most mild cases of {{ORGANIZATION}} will go away on their own after menstruation starts. If you have a more severe case, it can take several days for symptoms to improve. If you become pregnant during {{ORGANIZATION}}, the symptoms may get worse and can take weeks to go away.