Are Isoxsuprine and Heragest effective for preterm labour?

Yes, I was diagnosed with preterm labor/threatened abortion at 20 weeks. Same prescription at advise sa binigay ni OB mo. Makakatulong if mag total bed rest ka. Kahit mag poop at ihi, kung maaari sa bed lang, pati pagkain mo sa bed lang din. Total bed rest also means wag ka uupo. So lagi naka recline position lang. Nakakangawit yan sobra, pero that helped me survive from 20 weeks to full term. I gave birth at 39 weeks and 6 days! Took progesterone from 20th week to 35th week. Laki ng gastos ko pero sabi nga ni OB, pipiliin ko na lang tong gastos na to kesa sa manganak ako ng wala sa oras.