Usually delay in period with sore breast is a symptomp of pregnancy. But certain matters as stress or hormone disorders or even thyroid diseases may result in late periods. Consult with your gynecologist

SMA symptoms worsening during pregnancy is a rare occurrence. talk to your doctor

Pregnancy can occur when ejaculate-containing sperm comes into contact with the vagina. There is still a chance of pregnancy with pre-cum because it may contain sperm. If you find yourself being late on your period it might be one of the symptoms that could indicate pregnancy. In addition to this, you might be stressed out which can also push back your period. Take a pregnancy test just to be safe. 

Its unlikely that your partner would be affected by tramadol. Tramadol is a pain medication that works by affecting the brain and nervous system, and its not known to cause tingling or "zingy" sensations in the mouth or tongue.

According to the information you have provided, there is a 1-2% chance of pregnancy when emergency contraception pills are taken correctly (e.g., plan B). Common signs of a pregnancy are a skipped period, queasiness, fatigue, and breast tenderness. Further, she can also use a pregnancy test about 3 weeks after the last time you had unprotected sex, just to make sure of that. Staying informed and taking care.