16.11.2015

Peak days for pregnancy

This section on planning pregnancy assumes knowledge of the section on Fertility Indicators - Temperature, Cervical Mucus and changes in the Cervix. Research has shown that the chances of conception are limited to the five days before, and the first day after the temperature rise. For the normal fertile couple, conception is possible at any time during the fertile phase, but intercourse is most likely to lead to conception on days when highly fertile mucus is present, when there is a wet or slippery sensation at the vulva, and the cervical mucus is clear and stretchy like raw egg white. A couple who have not achieved pregnancy after six months (following regular intercourse at the fertile time of the cycle), should see their general practitioner who may advise further investigations. A post-ovulatory phase of less than about nine days, may indicate a disturbance in implantation. In the past it has been recommended that women wishing to conceive should wait for at least three months after coming off the pill, to allow time for the resumption of normal physiology.
Although for many women there will be little or no delay in returning fertility, the Oxford FPA study, (Vessey, 1986), found that impairment of fertility was greater among women over 30, particularly among those women who had never had a child.
Despite reduced fertility for a year or longer in some cases, he found no evidence suggesting that the pill causes permanent sterility.
What to do if you want to get pregnant faster.There are only a few days each cycle where you can get pregnant following unprotected intercourse – this is known as the fertile window.
The Clearblue Advanced Fertility Monitor is the most advanced home method dedicated to helping you get pregnant naturally.
It is designed to identify your full fertility window, typically up to 6 days each cycle – these are the days when you are most likely to become pregnant following unprotected sex. The graph above shows the estimated likelihood of conception on the day of ovulation and the 5 days before that – these are the High and Peak fertility days that Clearblue Advanced Fertility Monitor will aim to identify by tracking your natural fertility hormones. You can also test for pregnancy using the Monitor and the special Pregnancy Tests, from 3 days before your period is due – the Monitor will estimate when this is. In every cycle there are only a few days when a woman can conceive, so having sex on these days is very important if you are trying to get pregnant. In a study of 87 women, 4 or more fertile days were identified in 80% of cycles using actual cycle length.


Clearblue offers a range of ovulation test and fertility products, all of which monitor luteinizing hormone (LH) in urine to identify the time of peak fertility. In the days leading up to the LH surge, estradiol levels rise gradually, reaching a threshold that triggers the preovulatory LH surge.
Furthermore, estradiol stimulates secretion of cervical mucus that is favorable for the survival and transport of sperm.
The Clearblue Digital Ovulation Test is over 99% accurate in detecting the presence of LH in the urine sample.14 The Clearblue Digital Ovulation Test identifies the two most fertile days by detecting this pre-ovulatory LH surge. The most fertile day was found to be two days preceding the temperature shift which approximates to peak mucus day.
The most abundant fertile mucus normally occurs one or two days prior to peak day and is a time of very high fertility. Many women will record a second increase in temperature to an even higher level, several days after the ovulation shift due to an increase in progesterone production following implantation. This is particularly beneficial for women with irregular cycles or with very short mucus pattern possibly lasting only a number of hours. This fertile window is very individual and it is normal for these days to be different each month. That’s more days than a standard ovulation test will identify, so you have more opportunities to get pregnant each cycle. The Clearblue Digital Ovulation Test with Dual Hormone Indicator is the first and ONLY test that typically identifies 4 or more fertile days each cycle. By identifying more fertile days before ovulation than any with other ovulation test, you have more opportunities to get pregnant and can plan ahead to spend quality time with your partner.
With its unique algorithm, the test adapts to your personal hormone profile, so you are less likely to miss your fertile days. If you have ovulation test sticks left after detecting your first LH surge then you can use them with the same test holder to identify your fertile days next cycle, if you're not already pregnant. The Clearblue Digital Ovulation Test helps you maximise your chances of conceiving naturally by identifying your 2 most fertile days each cycle by measuring the changes in level of a key fertility hormone – luteinising hormone (LH).


By pinpointing your 2 best days to get pregnant you can be more confident you are trying at the right time. The median is 1.5 days, but sperm can survive up to 5 days in the sperm supportive mucus found in the fertile days of the cycle. Tracking E3G, the urinary metabolite of estradiol, allows women to identify the days of high fertility leading up to ovulation, where conception is also possible, and this also gives them advanced notice of their peak fertile days. The rise in plasma estradiol corresponds closely to the appearance of sperm-supportive cervical mucus.10 Therefore, intercourse during the 6-day fertile period may lead to conception, as sperm can survive for a number of days. The probability of conception on different days of the cycle with respect to ovulation: an overview.
Peak day, the last day when highly fertile mucus is present, frequently coincides with the day of ovulation. The key to maximising your chances of getting pregnant each menstrual cycle is to be able to accurately identify your personal fertile days, so you know the best days to try for a baby.
This means you can predict your best days to get pregnant in advance, so you can plan ahead and have sex at the right time – you will be maximising your chances of conceiving naturally.
It is also the only Monitor that enables you to test for pregnancy, up to 3 days before your period is due, to see if you have been successful in getting pregnant this cycle. It tracks 2 key fertility hormones to identify your High AND Peak fertility days, so you can plan ahead and have more opportunities to get pregnant. The clear digital display gives you a Clearblue smiley face when it identifies your best days to get pregnant so you know your body is ready. Monitoring these two hormones helps women identify the fertile days of their cycle enabling them to time intercourse to the days when conception is most likely.



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