Question
The enzymes in our saliva make it unconducive for sperms in human semen to survive. I would say that the chances of conception would be low.
Barrier contraceptive techniques (i.e male condom) would still be recommended if you are concerned about getting your partner pregnant.
Thank you for asking such a fascinating question. The survival of sperms outside the man's body depends largely on the circumstances and environment that they are exposed to. On a dry surface, such as clothing or bedding, sperms are dead by the time the semen has dried up. Sperms can remain viable for up to 5 days when they are ejaculated within a woman's reproductive tract. In a nutritive liquid like a culture medium in a laboratory, the sperms can also survive for several days.
However, here the scenario that you pose concerns the mouth and saliva. Saliva is hostile to the sperm cells. It is quite hard to predict as to how long the sperm cells can survive in such an environment. There are no proper scientific studies that have been done so far.
May I suggest the following: if you are worried about your partner getting pregnant, then it will be good to seek proper medical attention. If you and your partner have problems conceiving, then the best option is to seek help from a medical expert in subfertility such as a gynecologist.
Wishing you and your partner all the best in your journey ahead!
For the majority of women, if you have missed your period for one week then it is a good time to test to see if you are pregnant using a urine pregnancy test kit. Some women have very irregular periods in which their menstrual cycles are more than one month long. For these cases, weekly urine pregnancy testing after a five week delay may be helpful as it may not test positive after 5 weeks delay. If the urine pregnancy tests are still negative, a more accurate way may be to test for BHCG levels (pregnancy hormones) in the blood.
Hormonal imbalance is a common cause and is usually female hormone related. This may be the onset of menopause especially if a woman has not had a period for 1 year and is between the ages of 45 to 55 years old. If a woman is under the age of 45 and has not had a period for 1 year, female hormone tests can be performed to confirm premature menopause as a possible cause. Other hormones may be involved too and this may involve thyroid hormones and also prolactin. A raised prolactin level can lead to: absent menses, milky secretions from the breast, headaches and even tunnel vision.
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