| Similarity | Rank | |
|---|---|---|
| contraceptives | 0.942 | 28026 |
| contraception | 0.913 | 19493 |
| breast-feeding | 0.796 | 44033 |
| intrauterine | 0.789 | 64735 |
| progestin | 0.784 | 69844 |
| Contraception | 0.780 | 86661 |
| breastfeeding | 0.761 | 12536 |
| prophylactic | 0.759 | 45351 |
| childbearing | 0.751 | 44117 |
| IUD | 0.739 | 51447 |
| misoprostol | 0.739 | 68903 |
| pill | 0.739 | 5751 |
| pills | 0.730 | 3734 |
| abortion | 0.728 | 5950 |
| transdermal | 0.721 | 63891 |
| medication | 0.716 | 3126 |
| condoms | 0.714 | 17807 |
| bioidentical | 0.712 | 81878 |
| abortions | 0.711 | 17159 |
| child-bearing | 0.709 | 95972 |
| prescribing | 0.708 | 18541 |
| pregnancies | 0.706 | 19905 |
| prophylaxis | 0.705 | 42061 |
| antiretroviral | 0.702 | 38475 |
| pregnancy | 0.701 | 3361 |