Douch before hand or keep vaginal cleaner with bath and soap.
That is perfectly normal. The smell is actually from the mixture of vaginal juice and semen. If the vaginal is moist, the odor is often consider the best aphrodisiac for a male partner.
Probably to get oral sex or fellatio before vaginal sex.
Chlamydia can be transmitted during vaginal, anal, or oral sex. Chlamydia can also be passed from an infected mother to her baby during vaginal childbirth.
Odor after sex is normal as vaginal pH is acidic whereas semen pH is more alkaline. If it goes away within a few days this is fine, if the odor persists then see your doctor.
There really are no "stages" of bacterial vaginosis. The first symptom is typically fishy vaginal odor, worse after using soap or after sex.
Chlamydia usually doesn't cause an odor. If you have a vaginal discharge or urine with an odor, please contact your health care provider for an exam. Trichomoniasis is also spread through sex, causes an odor, and may be passed from person to person along with chlamydia. The treatments are different.
Nothing unless she has a STD. He then risks getting it.
They are probably referring to using protection (condoms, birth controls, dental dams) during sex - oral sex, anal sex, and vaginal sex.
From sex
Vaginal sex is sexual activity that involves a woman's primary sexual organ, the vagina. "Vaginal penetration" is sexual activity in which something -- usually a penis -- enters the vaginal opening. Search "female anatomy" for pictures and details.
You can't get chlamydia that way. Chlamydia is transmitted by oral, anal or vaginal sex; by genital-genital contact; or from an infected woman to her child during vaginal birth.
Chlamydia can be transmitted during vaginal, anal, or oral sex; genital-genital contact; and sharing sex toys. Chlamydia can also be passed from an infected mother to her baby during vaginal childbirth. If none of these is in your definition of "making out," then you can't get chlamydia from making out.