| pregnancy and covid 19 government advice | 1.73 | 0.4 | 7158 | 40 | 14 |
| pregnancy and covid 19 | 0.71 | 0.7 | 3437 | 22 | 95 |
| covid 19 and pregnancy treatment | 1.17 | 0.4 | 3812 | 32 | 86 |
| covid 19 and early pregnancy | 0.92 | 0.7 | 6356 | 28 | 73 |
| cdc guidelines for pregnancy covid 19 | 1.44 | 0.6 | 2515 | 37 | 32 |
| pregnant women and covid 19 | 1.44 | 0.3 | 9059 | 27 | 58 |
| being pregnant and having covid 19 | 1.73 | 0.9 | 8796 | 34 | 74 |
| covid 19 and pregnancy outcomes | 1.23 | 0.1 | 4267 | 31 | 5 |
| covid and pregnancy advice | 1.25 | 0.4 | 218 | 26 | 2 |
| articles on pregnancy and covid-19 | 0.87 | 1 | 3694 | 34 | 83 |
| covid 19 while pregnant | 0.62 | 0.1 | 9909 | 23 | 84 |
| covid 19 pregnancy data | 1.8 | 0.5 | 4561 | 23 | 57 |
| covid 19 pregnancy announcement | 0.14 | 0.6 | 6548 | 31 | 7 |
| an update on covid-19 and pregnancy | 1.29 | 1 | 8236 | 35 | 22 |
| covid-19 and pregnancy cdc | 0.1 | 0.8 | 3000 | 26 | 98 |
| covid 19 treatment for pregnant women | 1.89 | 0.7 | 5887 | 37 | 43 |
| current covid guidelines for pregnant women | 1.67 | 0.6 | 995 | 43 | 64 |
