| Similarity | Rank | |
|---|---|---|
| contraceptive | 0.942 | 24427 |
| contraception | 0.916 | 19493 |
| breast-feeding | 0.809 | 44033 |
| progestin | 0.807 | 69844 |
| Contraception | 0.776 | 86661 |
| childbearing | 0.767 | 44117 |
| breastfeeding | 0.762 | 12536 |
| abortions | 0.761 | 17159 |
| misoprostol | 0.761 | 68903 |
| condoms | 0.755 | 17807 |
| intrauterine | 0.751 | 64735 |
| bioidentical | 0.750 | 81878 |
| medications | 0.748 | 3699 |
| pregnancies | 0.740 | 19905 |
| abortion | 0.738 | 5950 |
| antiretroviral | 0.738 | 38475 |
| prenatal | 0.737 | 22037 |
| pills | 0.736 | 3734 |
| antidepressants | 0.733 | 20708 |
| medication | 0.733 | 3126 |
| child-bearing | 0.733 | 95972 |
| prophylactic | 0.732 | 45351 |
| STDs | 0.727 | 38939 |
| estradiol | 0.724 | 42087 |
| pregnancy | 0.722 | 3361 |