An abortion ends an existing pregnancy, but it doesn’t change how your reproductive system works going forward. That means if you have unprotected sex after an abortion, you can become pregnant again—sometimes sooner than you might expect.| Next Step Resources
This rare situation is linked to something called the hook effect, which can happen when hormone levels are extremely high. Pregnancy tests are typically very accurate. However, when hCG levels exceed 500,000 mIU/mL, it can overwhelm the test, preventing it from detecting the hormone properly. This is more likely to happen in multiple pregnancies—especially if each baby has their own placenta, which can compound hormone levels.| Next Step Resources
Pregnant and wondering when do you find out about twins? Here's when twin parents first learned they were having two babies!| Twiniversity #1 Parenting Twins Site