I had slight spotting and cramping one day, and then some bleeding two days later. Could this mean that two fertilized eggs have implanted and I'm expecting twins?
Hmmm. What the bleeding and cramping means depends partly on when in pregnancy these symptoms occurred. Many moms-to-be get cramping at the time of ovulation and a little bleeding about five to seven days after the egg has been fertilized, which is called implantation bleeding. Implantation bleeding can happen with a singleton or multiple pregnancy, and can be on and off, so two episodes doesn't necessarily indicate two babies. Implantation bleeding can be disconcerting if you think it is your period starting, but it usually occurs several days before the period is due (before the pregnancy test turns positive), and stops after a day or two.
If the symptoms occurred after you missed your period or you already had a positive pregnancy test, this may be the common experience of cramping in early pregnancy. Bleeding at this time is not rare, but it can signal the start of a miscarriage. Bleeding in early pregnancy should be reported to your doctor or midwife so they can check and make sure that everything is OK. Good luck to you!