The luteal phase, which occurs from ovulation to the next period, is typically 14 days long. Frequent ejaculation is better for the health of sperm while trying to conceive. According to the manufacturer, you should be able to identify them regardless of illness or lifestyle habits. Smoking accelerates the normal egg loss that occurs with age. Couples should have sexual intercourse when they feel like it and not limit it to the period during the woman's cycle perceived to be the most fertile. A recent study concludes that while exercising often relieves symptoms of depression in men, it may not be as effective for women. I've had fully fictional pregnancies despite my three-year relationship with Mirena my IUD.
Forty-nine percent of these teenage pregnancies end in abortions, but that still leaves many actual teenage births. Have sex at the right time. Experts do caution couples not to put love making on a schedule. OPKs are great for getting a sense of when in your cycle you usually ovulate, but they should not be used to pinpoint peak fertility. Since sperm can also live in your reproductive tract for days, having sex two to three times a week, means that when an egg is released there will be sperm waiting! Smoking and reproduction: It can be v frustrating when you realise you were a week off target.
If you would like to comment on this story or anything else you have seen on Future, head over to our Facebook page or message us on Twitter. In women, excess weight can disrupt the finely-tuned hormonal balance that regulates the menstrual cycle and stimulates ovulation releasing an egg from the ovaries. Up to 15 per cent of couples who try for a baby will experience fertility problems. A thorough and up-to-date academic review of the medical and social science literature on emergency contraception, including how it reduces the risk of pregnancy after sex, is available here. Periods of abstinence longer than three days can be detrimental because of the accumulation of aged sperm. If you want to reassure yourself about getting your timing right, you can use ovulation predictor kits which are available at pharmacies and supermarkets. However, caution is advised when relying on urinary LH detection kits alone.