If you are under 25 yes, definitely (been there many times)
If it was not implantation you could have been ovulating. if you still have pregnancy systoms take a home test first thing in the morning.
No. The pill floods the female body with hormones resulting in processes that make it impossible to get pregnant for that cycle only. The subsequent cycle will not be affected.
Most women ovulate between day 10 and day 18 - earlier and later can still be normal.
No, that is not normal. You should be examined by a dentist.
The "period" is the excess uterine lining and blood vessels that had developed during the month in preparation for a fertilized egg to implant sloughing off. Becoming pregnant 4 days after your last cycle is highly unlikely.
Irregular periods are quite normal. The blood that was supposed to come out 2 weeks ago during your normal period finally came out later. If you take baths or showers with a lot of cold water in it, the blood will most, most likely not come out until several hours, or even days, later. I do this sometimes, but you will regret it later because your sides and stomach will start hurting.
When I miscarried I was told to act as that was the first day of my period so in effect I could conceive 2 weeks later as within a normal cycle
Yes, this is normal. Intercourse doesn't effect menstruation at all so it has no relation to your period, when your period starts is dependent on your menstrual cycle - sex doesn't effect this.
It means that your period was just two days later than predicted - up to a weeks variation from your average menstrual cycle is normal. Pink discharge is spotting, it just means your flow started light.
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It's normal for there to be around 7 days variation from your average menstrual cycle. Your period wasn't late so much as later than you had predicted, that's all.
I was hit in the stomach by someone with a steel beam. Ever since then, i have been vomiting. No blood. Is this normal?