Can you fall pregnant from anal sex

Preventing Sexual Transmission of HIV. Sex during pregnancy: What's OK, what's not - Mayo Clinic. Remember that only condoms can protect you against both pregnancy and sexually transmitted infections STIs. Ovulation the release of an egg from your ovary into your fallopian tube typically happens about days before the start of each period 1. Being overweight can have a negative impact on your chances of getting pregnant, and being underweight, especially if you have irregular periods, can also cause problems, says Librach. The truth is, all it takes is for one sperm to meet an egg.