Stronged to pregnet bitch?

[poteetkennels]

I wormed her heavy before breeding, and she will becoming half way next week i want to worm her and was thinking of using the stronged wormer i have. is this a good idea and how much should i use if i go this route. a little concerned because up untill now i have never wormed during pregnacy. any oppions. also is this a good wormer after birth for mother and pups? thanks for any advise.