>> Types of Birth Control
Combined oral contraceptive pill (COCP)
of combined pill:
Most of the combined birth control pills have two
main hormones i.e. estrogen and progestin. Depending upon the level of hormones
stays during the first three weeks of the menstrual cycle it is categorized as
monophasic or biphasic and triphasic form.
type of pill, hormones level is same in all doses. The advantage of monophasic
pill is that it helps in maintaining mood steady, which is most likely to be changed
in other type of pills having various levels of hormones. Side effects like blotting
and breast tenderness will be lesser in Monophasic pills, however, it may cause
higher spotting. Monophasic pills may be costlier than other oral contraceptives.
Women do prefer to opt for this type of pill for these reasons.
birth control pills can be classified into following three categories according
to estrogen level
- 20 mcg (low level)
- 30-35 mcg (regular level)
- 50 mcg (high level)
Seasonale is the only monophasic birth control pill
approved by FDA in 2003. It is 91-day cycle medicine designed to prevent pregnancy
upto 99% if taken as directed. Seasonale stops menstruation completely for the
entire 91-day cycle.
Monophasic types of pills are Alesse,
Apri, Aviane, Brevicon, Demulen,
Desogen Genora, Jenest, Levlen, Levlite, Levora, Loestrin,
Lo/Ovral, Microgestin FE, ModiCon, Nelova, Necon, Nordette,
Norethin, Norinyl, Ortho-cept. Ortho-cyclen,
Ortho Novum, Ovcon, Ovral, Portia, Seasonale
Biphasic birth control pills have fixed strength
of estrogen but two different strength of progestine hormones that were designed
with keeping in mind the requirement of level of hormones in women's body during
the menstrual cycle. Daily use of biphasic pills deliver same strength of estrogen
each day, however, progestine level rises about halfway in the entire menstruation
cycle. Biphasic pills change the hormones ration in two levels.
- In the
first half of the menstruation cycle, the hormones level will be lower helping
endomentrium to be thick as it should be.
- In the second half, the hormones
level will be higher enough to shred the lining in the uterus
of Biphasic birth control pills will be:
- It will be same strength or same
hormone ratio in first 7 to 10 days (with same color of pills)
- For next
11 to 14 days, strength will be different (with another color of pills)
The last 7 days may not contain any active pills (placebo pills)
pills are available in Jenest 28, Kariva, Mircette,
Necon 10/11, Ortho-Novum 10/11 & Sprintec
control pills are having three different levels of hormones - designed for changing
hormone level in every seven days during the entire three weeks of menstrual cycle.
These triphasic birth control pills are recommended for women who are very sensitive
to estrogen and progestin hormones.
Depending upon which brand you use,
the level of estrogen and progestin will change three times in the complete cycle
The strength of triphasic pills will be:
- The first three
pills will have one strength (one color)
- Next 5, 7 or 9 pills have another
strength (another color)
- The last 7 days may not contain any active pills
or may be placebo pills (different color)
Triphasic pills are available
in Estrostep-21, Necon 7/7/7, Ortho-Novum 7/7/7, Ortho
Tri-Cyclen, Tri-Levlen, Tri-Norinyl, Triphasil and Trivora.
It is wrong
to believe any one type of birth control pill is better than others because all
of them are designed for sole purpose of avoiding unintended pregnancy and can
be effective upto 99% if taken as directed. It is advisable to consult with your
doctor or healthcare professional before deciding to go on contraceptive pills.
of Combined Birth Control Pills:
Combined oral contraceptives are very
much effective upto 99.9% with very cases of birth control failure in a year.
However, its effectiveness greatly depends upon the following up of instruction
and taking medicines as directed. If combined birth control pills used properly
as directed then its pregnancy rate is 0.3% Effectiveness or failure rates are
measured for the medicines used in the first year. Decrement tables and Pearl
Index are commonly used to analyze the effectiveness rates.
could defer due to various factors like
- healthcare professional or doctor
prescribed the wrong dosages
- completely wrong medicine is prescribed - patients
did not start the pills within five days of start of menstrual cycle
did not follow the instruction and missed pills many times in the prescribed cycle
- patients did not start the next pack of pills due on date - patients had
unprotected intercourse during the missed pills period
- patients did not
use birth control backup method like condoms, spermicides or diaphragm during
the first 7 days when you start the first birth control pills
- drug interaction
like antifungals, anticonvulsants and such other drugs may increase the metabolism
of contraceptive steroids with contraceptive pills will significantly reduce the
effectiveness. St. John's Wort may aggregate hepatic enzymes (cytochrome P450)
and p-glycoprotein transporter affecting the effectiveness of contraceptive steroids.
Combined birth control pills:
|desogestrel and ethinyl
estradiol||Apri, Cyclessa, Desogen, Mircette,
and ethinyl estradiol||Yasmin|
|levonorgestrel and ethinyl estradiol||Alesse,
Aviane, Levlen, Levlite, Levora, Lybrel, Nordette, Tri-Levlen,
diacetate and ethinyl estradiol||Demulen,
and ethinyl estradiol||Brevicon,
Genora 0.5/35, Genora 1/35, Intercon 0.5/35, Intercon 1/35, Jenest, Modicon, Necon
(0.5/35, 1/35 or 10/11), Nelova (0.5/35E, 1/35E or 10/11), Norethin 1/35E, Norinyl
(1+35 or 1+50), N.E.E., Ortho-Novum, OrthoľNovum 1/35, Ortho Novum (7/7/7 or 10/11),
acetate and ethinyl estradiol||Estrostep,
and mestranol||Genora 1/50, Nelova 1/50M, Intercon
1/50, Necon 1/50, Norethin 1/50 M, Norinyl 1/50, OrthoľNovum 1/50|
|norgestimate and ethinyl estradiol||Ortho-Cyclen,
and ethinyl estradiol||Low-Ogestrel, Ogestrel,
Note : Combined birth
control pills are explained according to their Generic names. They may vary in
doses, benefits and side effects. Please consult your doctor or healthcare professional
before deciding to take any contraceptive pills.
You can also visit at combined
oral contraceptive pills to review the additional list of birth control pills.
Progestin-only Pills (POP)