If you're not gonna do BL, which anyways would be a waste a time for only one year, get Meuchedet. It cost us total 265 sheks a month, it covered pregnancy and was very convenient. When I was in yeshiva I had Harel which I thought was terrific bec it was cheap and it covered visits to Terem 24/7. Instead of making appts by doctors, I would just pop in. Though Harel doesn't cover pregnancy.
ETA: AFAIK, only the Meuchedet on Panim Meirot will allow you to sign up.