April 10, 2007
Forty-seven years after the FDA approved the first oral contraceptive, “the pill” remains the most popular form of reversible birth control in the United States.
“No. 1 on the hit parade was, and continues to be, the birth control pill,” says Dr. David Butler, an OB/GYN at Englewood and Holy Name hospitals.
But the options are many.
Here’s an overview of the most popular and newest reversible birth-control methods, according to several local practitioners.
Hormonal methods
The pill
What it is: The common name for oral contraception — formulations of synthetic hormones that simulate those made by a woman’s ovaries. There are more than 40 brand names, but two basic types: combination pills, containing estrogen and progestin, and progestin-only pills.
How effective are they?
* Effectiveness of birth control methods (if they are used consistently and correctly)
* Birth control pill: 99-plus percent
* Injection: 99-plus percent
* Contraceptive patch: 99-plus percent
* Vaginal ring: 99-plus percent
* IUD: 99 percent
* Male condom: 98 percent
* Female condom: 95 percent
* Diaphragm: 94 percent (cervical cap, 91 percent)
* Contraceptive sponge: 91 percent
* Spermacides: 85 percent
Source: Planned Parenthood’s “Sex Ed 101 Manual”
Some of the newer formulations are:
Seasonale and Seasonique: Both regimens result in a woman having just four periods a year. Seasonique, the next-generation version of Seasonale, was approved last May and became available in July.
Loestrin 24 Fe: This regimen of 24 “active” white pills (instead of the typical 21) plus four brown “reminder” tablets that are iron supplements, typically results in lighter periods of three days or less. “This kind of helps you in a perimeno-pausal transition,” says Dr. Elizabeth Boyle, a Clifton gynecologist.
YAZ: This contains 24 active combination-hormone pills and four placebos. Its maker, Berlex, says it offers shorter, lighter periods, a more regular cycle and even reduces cramps. It is also FDA-approved to reduce premenstrual symptoms.
On the horizon:
Lybrel: A low-dose-combination-hormone pill that a woman would take daily, 365 days a year (with no placebo or pill-free phase). Its maker, Wyeth, says Lybrel should even out women’s monthly hormone fluctuations. For some women, it also could eventually eliminate periods altogether. Awaiting FDA approval.
Safety of the pill
Not for smokers: “You really do not give oral contraception to people who are over 35 years old and smoke, because of the increased risk for blood clots and other complications,” says Dr. Jill Satorie, an OB-GYN and attending physician at Hackensack University Medical Center.
Newest controversy: Recently, the advocacy group Public Citizen filed a petition with the Food and Drug Administration that seeks to stop the sale of newer (”third-generation”) oral contraceptives that contain a type of progestin called desogestrel, which the group says can double the risk of blood clots. (Labels of birth-control pills containing desogestrel already list that increased risk in fine-print.)
“While the use of any type of combined oral contraceptive holds an increased risk of venous thrombosis, third-generation birth control pills double that risk without preventing pregnancy any more effectively than older pills do,” Dr. Sidney Wolfe, director of Public Citizen’s Health Research Group, told The Record. “If [a woman] can take the pill that is half the risk, she should take it.”
Bottom line, Boyle says: “I think all birth control pills are safe when you weigh the benefits vs. risks.”
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The Ring (Nuva Ring)
What it is: Small flexible ring that releases synthetic estrogen and progestin. Placed in the vagina once a month, it is left in for three weeks. The fourth week, the woman takes it out.
Plus: “It’s a nice option, not having to think about your contraception except for once a month,” Satorie says.
Says Boyle: “That’s the lowest amount of hormone on the market, and what’s nice is that it bypasses your digestive tract. It’s only absorbed through the vagina to inhibit ovulation.” She cites two age groups this method might benefit. “The person who really isn’t ovulating that much anymore, like the over 40, and the person who can’t remember to take a pill — like a teenager.”
Minus: “Not everyone is comfortable with having to … put it in and pull it out,” Satorie says.
The Patch (Ortho Evra)
What it is: Thin plastic patch, which releases synthetic estrogen and progestin, that sticks to the skin of the buttocks, stomach, upper outer arm or upper torso. Once a week for three weeks, a new patch gets placed. No patch is used the fourth week.
The controversy: “We got a letter from Ortho that the patch had a steady-state estrogen level that was much higher than even the old pills that we don’t write [prescriptions] for anymore, so it increases your risk of blood clots dramatically,” Boyle says.
The Shot
What it is: This progestin-only injection (Depo-Provera) can prevent pregnancy for 12 weeks at a time.
Plus: “The obvious big advantage is you don’t have to worry about your contraceptive coverage for three months,” says Jeffrey Brand, president and CEO of Planned Parenthood of Greater Northern New Jersey. “For many women, that’s a very powerful convenience.”
Minus: Women have to get the shot from a clinician every three months. And while Planned Parenthood facilities can provide the shot “on the spot,” Brand says, in many practices, the doctor writes a prescription, which the woman has to take to the pharmacy to get filled, before going back to the doctor’s office for the injection.
On the horizon
Implanon: Thin, flexible, matchstick-sized implant containing progestin that is inserted under the skin of the upper arm. Though results of long-term studies will not be available for some time, researchers estimate that Implanon will be up to 99.9 percent effective for up to three years. (Implanon is similar in concept to the controversial six-rod Norplant system, which Wyeth stopped marketing in the United States in 2002.)
Status: Not yet widely available in the United States. “It’s been approved, but it’s not quite out there yet,” Satorie says.
Other methods
IUDS
What they are: Far more popular in Europe than in the United States, these small, T-shaped intrauterine devices are inserted by a clinician and prevent sperm from joining with an egg. In the United States, they are available in two types, one with a hormone, one without.
ParaGard (Copper T 380A): Plastic wound with copper, this can be left in place for 10 years.
“It’s really intended for someone who’s had a baby already, because the uterus would be a little bit larger for placement,” says Boyle. It’s a good option if someone can’t take a hormone, but this is a foreign object that’s placed in the uterus and it does give a heavier, crampier bleed.”
Mirena: Billed as an IUC (intrauterine contraceptive), this continuously releases a small amount of progestin and is effective for five years.
“This works both hormonally and as an intra-uterine device, and this often quells heavy bleeding,” says Butler.
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